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#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef pair<int,int> pii; #define MP make_pair #define PB push_back #define inf 1000000007 #define rep(i,n) for(int i = 0; i < (int)(n); ++i) #define all(x) (x).begin(),(x).end() template<typename A, size_t N, typename T> void Fill(A (&array)[N], const T &val){ std::fill( (T*)array, (T*)(array+N), val ); } template<class T> inline bool chmax(T &a, T b){ if(a<b){ a = b; return true; } return false; } template<class T> inline bool chmin(T &a, T b){ if(a>b){ a = b; return true; } return false; } template<typename T> T gcd(T a, T b) { return b ? gcd(b, a % b) : a; } template<typename T> T lcm(T a,T b) { return a / gcd(a,b) * b; } #define MAX_N 100005 vector<int> prime; bool is_prime[MAX_N]; void sieve(int n){ for(int i=0;i<=n;i++){ is_prime[i] = true; } is_prime[0] = is_prime[1] = false; for(int i=2;i<=n;i++){ if(is_prime[i]){ prime.push_back(i); for(int j=2*i;j<=n;j+=i){ is_prime[j] = false; } } } } int main(){ sieve(50); int n; cin >> n; vector<ll> a(n); rep(i,n) cin >> a[i]; int m = prime.size(); ll mi = (1LL<<60); rep(i,(1<<m)){ ll X = 1; rep(j,m){ if((i>>j)&1){ X *= prime[j]; } } bool ng = 0; rep(i,n){ if(gcd(X,a[i])==1){ ng = 1; break; } } if(!ng){ chmin(mi,X); } } cout << mi << endl; return 0; }
#include <bits/stdc++.h> #define pb push_back #define ss second #define ff first #define all(x) x.begin(), x.end() #define INF 3000000000000001 // 3e15 #define ll_max 9000000000000000000 #define PI 3.14159265358979323846L #define fill(a, n, x) for(int i = 0; i < n; i++) a[i] = x; #define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) using namespace std; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); typedef long long int ll; typedef long double ld; typedef pair<ll,ll> pll; const ll mod = 1000000007; const ll N = 200110; const ll M = log2(N) + 1; struct point { ll x, y; }; template<typename T> T fast_exp(T x,T n) { if(n == 0) return 1; T ans = 1; if(n % 2 == 0) { ans = fast_exp(x, n / 2); ans = ans * ans % mod; } else ans = fast_exp(x, n - 1) * x % mod; return ans; } void update(ll BIT[], ll i, ll x, ll n) { if(i <= 0) return; for(; i <= n; i += i & (-i)) BIT[i] += x; } ll query(ll BIT[], ll l, ll r) { l--; ll sum = 0; while(r > 0) { sum += BIT[r]; r = r & (r - 1); } while(l > 0) { sum -= BIT[l]; l = l & (l - 1); } return sum; } ll fact[2], infact[2]; void work() { fact[0] = fact[1] = infact[0] = infact[1] = 1; for(ll i = 2; i < N; i++) { fact[i] = fact[i - 1] * i % mod; infact[i] = fast_exp(fact[i], mod - 2); } } ll ncr(ll n, ll r) { if(r > n || r < 0) return 0; return fact[n] * infact[n - r] % mod * infact[r] % mod; } vector<int> p; int smfactor[N + 1]; // smallest prime factor void SoE(int n = N) { bool Primes[n + 1]; Primes[0] = Primes[1] = 0; for(int i = 2; i < n + 1; i++) Primes[i] = 1; for(int i = 2; i <= n; i++) { if(Primes[i] == 1) { p.push_back(i); for(int j = i; j <= n; j += i) { Primes[j] = 0; if(smfactor[j] == 0) smfactor[j] = i; } } } } int main() { fast; int _ = 1, test = 0; SoE(50); //cin >> _; while(_--) { test++; ll n, m = 0, x, y, ans = INF, k, q; cin >> n; m = p.size(); ll a[n + 1]; for(int i = 1; i <= n; i++) { cin >> a[i]; } y = 1; for(int j = 0; j < m; j++) y = y * p[j]; ans = y; for(ll i = 0; i < (1ll << m); i++) { y = 1; for(int j = 0; j < m; j++) { if(i & (1ll << j)) { y = y * p[j]; } } bool flag = 1; for(int j = 1; j <= n; j++) { if(__gcd(y, a[j]) == 1) flag = 0; } if(flag) ans = min(ans, y); } cout << ans << "\n"; } return 0; }
#include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #include <bitset> using namespace std; #ifdef LOCAL #define eprintf(...) fprintf(stderr, __VA_ARGS__);fflush(stderr); #else #define eprintf(...) 42 #endif using ll = long long; using ld = long double; using uint = unsigned int; using ull = unsigned long long; template<typename T> using pair2 = pair<T, T>; using pii = pair<int, int>; using pli = pair<ll, int>; using pll = pair<ll, ll>; mt19937_64 rng(chrono::steady_clock::now().time_since_epoch().count()); ll myRand(ll B) { return (ull)rng() % B; } #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define fi first #define se second clock_t startTime; double getCurrentTime() { return (double)(clock() - startTime) / CLOCKS_PER_SEC; } int main() { startTime = clock(); // freopen("input.txt", "r", stdin); // freopen("output.txt", "w", stdout); int n, m; scanf("%d%d", &n, &m); if (n == 1) { if (m != 0) { printf("-1\n"); } else { printf("1 2\n"); } return 0; } if (m < 0 || m > n - 2) { printf("-1\n"); return 0; } printf("1 10000000\n"); int x = 2; int k = n - m - 2; for (int i = 0; i < k + 1; i++) printf("%d %d\n", x + i, x + k + 1 + i); x += 2 * (k + 1); for (int i = 0; i < m; i++) { printf("%d %d\n", x, x + 1); x += 2; } return 0; }
#include <bits/stdc++.h> #define rep(i,n) for(int i=0;i<(int)n;i++) #define rep1(i,n) for(int i=1;i<=(int)n;i++) #define sp(n) cout << fixed << setprecision(n) template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } typedef long long ll; using namespace std; const ll mod = 998244353; long long modpow(long long a, long long n){ long long r = 1; while (n) { r = r * ( (n%2)?a:1 ) %mod; a = a * a % mod; n >>= 1; } return r; } int main(void){ ll n,m,k;cin>>n>>m>>k; ll res=0; if(m==1){ ll res=modpow(k,n); cout<<res<<endl; return 0; } else if(n==1){ ll res=modpow(k,m); cout<<res<<endl; return 0; } rep(i,k){ ll buf1=modpow(k-i,m),buf2=modpow(k-i-1,m); ll buf3=modpow(i+1,n); ll buf4=(((buf1-buf2+mod)%mod)*buf3)%mod; res+=buf4; res%=mod; } cout<<res<<endl; }
//https://atcoder.jp/contests/arc108/tasks/arc108_a //A - Sum and Product //从 1 到 sqrt(P) 中枚举是否存在 N 和 M。 #include <bits/stdc++.h> using namespace std; //如果提交到OJ,不要定义 __LOCAL //#define __LOCAL int main() { #ifndef __LOCAL //这部分代码需要提交到OJ,本地调试不使用 ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); #endif long long s,p; cin>>s>>p; long long t=sqrt(p); for (long long i=1; i<=t; i++) { long long n=i; long long m=s-i; if (n*m==p) { cout<<"Yes\n"; return 0; } } cout<<"No\n"; #ifdef __LOCAL //这部分代码不需要提交到OJ,本地调试使用 system("pause"); #endif return 0; }
#include <iostream> #include <cstdio> #include <cstring> #define int long long using namespace std; inline int read() { int res = 0, f = 1; char c = getchar(); while (c < '0' || c > '9') { if (c == '-') f = -1; c = getchar(); } while (c >= '0' && c <= '9') { res = res * 10 + c - 48; c = getchar(); } return res * f; } int s, p; signed main() { #ifndef ONLINE_JUDGE freopen("in.txt", "r", stdin); freopen("out.txt", "w", stdout); #endif s = read(), p = read(); for (int i = 1; i * i <= p; ++ i) { if (p % i == 0) { if (i + p / i == s) { puts("Yes"); return 0; } } } puts("No"); return 0; }
#include <algorithm> #include <cfloat> #include <climits> #include <cmath> #include <complex> #include <cstdio> #include <cstdlib> #include <cstring> #include <functional> #include <iostream> #include <map> #include <memory> #include <queue> #include <deque> #include <set> #include <sstream> #include <stack> #include <string> #include <utility> #include <vector> #include <cassert> #include <iostream> #include <stdio.h> #include <time.h> using namespace std; typedef long long ll; #define sz size() #define pb push_back #define mp make_pair #define fi first #define se second #define all(c) (c).begin(), (c).end() #define rep(i,a,b) for(ll i=(a);i<(b);++i) #define per(i,a,b) for(ll i=b-1LL;i>=(a);--i) #define clr(a, b) memset((a), (b) ,sizeof(a)) #define ctos(c) string(1,c) #define MOD 1000000007 int main(){ ll n; cin>>n; ll b = 0; vector<ll> v1,v2; rep(i,0,n){ ll a; cin>>a; v1.pb(a); } rep(i,0,n){ ll a; cin>>a; v2.pb(a); } rep(i,0,n){ b += v1[i]*v2[i]; } if(b==0){ cout << "Yes" << endl; } else{ cout << "No" << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int n,k,m; cin >> n >> k >> m; int sum=0; vector<int>a(n-1); for(int i=0;i<n-1;i++) { cin >> a.at(i); sum+=a.at(i); } int x=m*n-sum; if(x>k) { cout << -1 << endl;} else if (x<=k && x>=0) { cout << x << endl;} else { cout << 0 << endl;} return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int V, T, S, D; cin >> V >> T >> S >> D; string ans = "Yes"; if(V*T <= D){ if(V*S >= D){ ans = "No"; } } cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<ll> vl; typedef vector<int> vi; #define rep(i, a, b) for (int i = a; i < b; i++) #define mapi map<int, int> #define mapl map<ll, ll> #define pb push_back #define fast_cin() \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL) #define all(x) (x).begin(), (x).end() #define tsolve(t) \ int t; \ cin >> t; \ while (t--) \ { \ solve(); \ } void solve() { double v, t, s, d; cin >> v >> t >> s >> d; double tt = d / v; //cout << tt << endl; if (t <= tt && tt <= s) { cout << "No"; return; } cout << "Yes"; return; } int main() { fast_cin(); // tsolve(t) solve(); return 0; }
#include <bits/stdc++.h> #define int long long #define MOD 1000000007 using namespace std; vector<vector<int>> binoms(17,vector<int>(17,-1)); int binom(int n, int r){ if(binoms[n][r] != -1) return binoms[n][r]; int ans = 1; for(int i = 0; i < r; i ++){ ans *= n-i; ans /= i+1; } return binoms[n][r] = ans; } int powmod(int a, int n){ if(n == 0) return 1; int s = powmod(a,n/2); s = (s*s) % MOD; if(n % 2) return (a*s) % MOD; else return s; } int scent(int a, int k, int n){ //n digits, a already used if(n == 0) return (a == k ? 1 : 0); if(a > k) return 0; int ans = 0; int sign = 1; for(int j = k; j >= a; j --){ ans = (ans + (sign*binom(k-a,j-a)*powmod(j,n)) % MOD + MOD) % MOD; sign *= -1; } return ans*binom(16-a,k-a) % MOD; } signed main(){ string n; int k; cin >> n >> k; int s = n.size(); vector<int> N(s); for(int i = 0; i < s; i ++) N[i] = (n[i] <= '9' ? n[i] - '0' : n[i] - 'A' + 10); int ans = 0; for(int i = 1; i < s; i ++){ ans = (ans + 15*scent(1,k,i-1)) % MOD; //cout << scent(1,k,i-1) << " " << 1 << " " << k << " " << i-1 << "\n"; } vector<bool> digs(16); int counter = 0; for(int i = 0; i < s; i ++){ for(int j = 0; j < N[i]; j ++){ if(i == 0 && j == 0) continue; int curcounter = counter; if(!digs[j]) curcounter ++; ans = (ans + scent(curcounter,k,s-i-1)) % MOD; //cout << scent(curcounter,k,s-i-1) << " " << curcounter << " " << k << " " << s-i-1 << "\n"; } if(!digs[N[i]]) counter ++; digs[N[i]] = true; } if(counter == k) ans ++; cout << ans; }
//in the name of god// // SOBHET BEKHEIR JOOOOOOON E DEL #include <bits/stdc++.h> using namespace std; typedef long long ll; #define mem(x,s) memset(x,s,sizeof(x)) #define all(x) x.begin(),x.end() #define _ ios_base::sync_with_stdio(false),cin.tie(NULL),cout.tie(NULL); #define F first #define S second #define endi return cout<<'\n',0 #define MP make_pair #define pb push_back #define ppb pop_back #define pii pair<int,int> #define pll pair<ll,ll> const int maxn = 1e5 + 10; const int maxn1 = 1e3 + 10; const ll inf = 1e18; map <ll,ll> dp; ll f(ll a, ll b){ if(a >= b) return a - b; if(dp.count(b)) return dp[b]; else{ ll tmp = b - a; if(b & 1) tmp = min (tmp, min(f(a, (b + 1ll) / 2ll), f(a, (b - 1ll) / 2ll)) + 2ll); else tmp = min (tmp, f(a, b / 2) + 1); return dp[b] = tmp; } } int main(){ ll x, y; cin >> x >> y; cout << f(x, y) << '\n'; return 0; }
#include <bits/stdc++.h> using namespace std; using P = pair<int64_t, int64_t>; int64_t my_abs(int64_t a) { return max(a, -a); } int64_t gcd(int64_t a, int64_t b) { while (b != 0) { int64_t tmp = a % b; a = b; b = tmp; } return a; } P calc(int64_t a, int64_t b) { int64_t aa = my_abs(a); int64_t ab = my_abs(b); int64_t ta = aa; int64_t tb = ab; map<int64_t, int64_t> m; m[ta] = 1; m[tb] = 0; while (tb != 1) { int64_t tmp = ta % tb; m[tmp] = m.at(ta) - m.at(tb) * (ta / tb); ta = tb; tb = tmp; } int64_t x = m.at(1); if (aa == -a) { x *= -1; } int64_t y = (1 - x * a) / b; return make_pair(x, y); } int64_t div_ceil(int64_t a, int64_t b) { if (a >= 0) { return (a + b - 1) / b; } else { return a / b; } } int main() { int T; cin >> T; for (int i = 0; i < T; i++) { int64_t N, S, K; cin >> N >> S >> K; int64_t g = gcd(N, K); if (S % g != 0) { cout << -1 << endl; continue; } int64_t n = N / g; int64_t s = S / g; int64_t k = K / g; int64_t tx, ty; tie(tx, ty) = calc(n, -k); tx *= s; ty *= s; int64_t m = max(div_ceil(1 - tx, k), div_ceil(1 - ty, n)); cout << n * m + ty << endl; } return 0; }
#include<iostream> #include<cstdio> #include<cstring> #include<string> #include<vector> #include<cmath> #include<algorithm> #include<map> #include<queue> #include<deque> #include<iomanip> #include<tuple> #include<cassert> #include<set> #include<complex> #include<numeric> #include<functional> using namespace std; typedef long long int LL; typedef pair<int,int> P; typedef pair<LL,int> LP; const int INF=1<<30; const LL MAX=1e9+7; void array_show(int *array,int array_n,char middle=' '){ for(int i=0;i<array_n;i++)printf("%d%c",array[i],(i!=array_n-1?middle:'\n')); } void array_show(LL *array,int array_n,char middle=' '){ for(int i=0;i<array_n;i++)printf("%lld%c",array[i],(i!=array_n-1?middle:'\n')); } void array_show(vector<int> &vec_s,int vec_n=-1,char middle=' '){ if(vec_n==-1)vec_n=vec_s.size(); for(int i=0;i<vec_n;i++)printf("%d%c",vec_s[i],(i!=vec_n-1?middle:'\n')); } void array_show(vector<LL> &vec_s,int vec_n=-1,char middle=' '){ if(vec_n==-1)vec_n=vec_s.size(); for(int i=0;i<vec_n;i++)printf("%lld%c",vec_s[i],(i!=vec_n-1?middle:'\n')); } void init(){ } long long int gcd(long long int a,long long int b){ if(a<b)swap(a,b); if(b==0)return a; return gcd(b,a%b); } void solve(){ LL n,m; int i,j,k; LL a,b,c; LL p,q; const LL B=4e4; cin>>n>>p>>q; map<LL,LL> m1; q%=n; a=q*B%n,b=0; for(i=0;i<B;i++,b-=a){ if(b<0)b+=n; if(m1.find(b)!=m1.end())break; m1[b]=i; } LL s=0; a=p; for(i=0;i<B;i++,a+=q){ if(a>=n)a%=n; if(m1.find(a)!=m1.end()){ s=i+B*m1[a]; break; } } if(i>=B){ cout<<-1<<endl; return; } a=gcd(n,q); s%=n/a; cout<<s<<endl; return; } int main(){ int n,i; init(); cin>>n; for(i=0;i<n;i++){ solve(); } }
//@formatter:off #include<bits/stdc++.h> #define overload4(_1,_2,_3,_4,name,...) name #define rep1(i,n) for (ll i = 0; i < ll(n); ++i) #define rep2(i,s,n) for (ll i = ll(s); i < ll(n); ++i) #define rep3(i,s,n,d) for(ll i = ll(s); i < ll(n); i+=d) #define rep(...) overload4(__VA_ARGS__,rep3,rep2,rep1)(__VA_ARGS__) #define rrep(i,n) for (ll i = ll(n)-1; i >= 0; i--) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define pb push_back #define eb emplace_back #ifdef __LOCAL #define debug(...) { cout << #__VA_ARGS__; cout << ": "; print(__VA_ARGS__); cout << flush; } #else #define debug(...) void(0) #endif #define INT(...) int __VA_ARGS__;scan(__VA_ARGS__) #define LL(...) ll __VA_ARGS__;scan(__VA_ARGS__) #define STR(...) string __VA_ARGS__;scan(__VA_ARGS__) #define CHR(...) char __VA_ARGS__;scan(__VA_ARGS__) #define DBL(...) double __VA_ARGS__;scan(__VA_ARGS__) #define LD(...) ld __VA_ARGS__;scan(__VA_ARGS__) using namespace std; using ll = long long; using ld = long double; using P = pair<int,int>; using LP = pair<ll,ll>; using vi = vector<int>; using vvi = vector<vector<int>>; using vl = vector<ll>; using vvl = vector<vector<ll>>; using vd = vector<double>; using vvd = vector<vector<double>>; using vs = vector<string>; using vc = vector<char>; using vvc = vector<vector<char>>; using vb = vector<bool>; using vvb = vector<vector<bool>>; using vp = vector<P>; using vvp = vector<vector<P>>; template<class S,class T> istream& operator>>(istream &is,pair<S,T> &p) { return is >> p.first >> p.second; } template<class S,class T> ostream& operator<<(ostream &os,const pair<S,T> &p) { return os<<'{'<<p.first<<","<<p.second<<'}'; } template<class T> istream& operator>>(istream &is,vector<T> &v) { for(T &t:v){is>>t;} return is; } template<class T> ostream& operator<<(ostream &os,const vector<T> &v) { os<<'[';rep(i,v.size())os<<v[i]<<(i==int(v.size()-1)?"":","); return os<<']'; } template<class T> bool chmin(T& a,T b) {if(a > b){a = b; return true;} return false;} template<class T> bool chmax(T& a,T b) {if(a < b){a = b; return true;} return false;} void scan(){} template <class Head, class... Tail> void scan(Head& head, Tail&... tail){ cin >> head; scan(tail...); } template<class T> void print(const T& t){ cout << t << '\n'; } template <class Head, class... Tail> void print(const Head& head, const Tail&... tail){ cout<<head<<' '; print(tail...); } template<class... T> void fin(const T&... a) { print(a...); exit(0); } const string yes[] = {"no","yes"}; const string Yes[] = {"No","Yes"}; const string YES[] = {"NO","YES"}; const int inf = 1001001001; const ll linf = 1001001001001001001; //@formatter:on double A[200010]; double B[200010]; int main() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr); INT(n, m, k); vi a(k); cin >> a; if (m <= k) { rep(i, k - m + 1) { bool ok = true; rep(j, m - 1) ok &= a[i + j] + 1 == a[i + j + 1]; if (ok) fin(-1); } } cout << fixed << setprecision(10); rrep(i, n) { bool ok = true; rep(j, k) if (i == a[j]) ok = false; double na, nb; if (ok) { na = (A[i + 1] - A[i + m + 1]) / m; nb = (B[i + 1] - B[i + m + 1]) / m + 1; } else { na = 1, nb = 0; } A[i] = A[i + 1] + na; B[i] = B[i + 1] + nb; } double na = A[0] - A[1], nb = B[0] - B[1]; // X = na * X + nb print(nb / (1 - na)); }
#include <complex> #include <iostream> #include <vector> using namespace std; #define rep(i, n) for(int i = 0; i < (int)(n); i++) int main() { int N, M, K; cin >> N >> M >> K; vector< complex< double > > means(N); rep(i, K) { int a; cin >> a; means[a].imag(1); } complex< double > acc = 0; int l = 0; int suc_mass = 0; for(int k = N - 1; k >= 0; k--) { if(means[k].imag() == 0) { means[k] += M; means[k] += acc; means[k] /= M; suc_mass = 0; } else { ++suc_mass; if(suc_mass >= M) break; } acc += means[k]; ++l; if(l > M) { acc -= means[k + M]; --l; } } // cout << means[0].real() << ", " << means[0].imag() << endl; if(suc_mass >= M) { cout << -1 << endl; } else { double res = means[0].real(); res /= (1.0 - means[0].imag()); cout << res << endl; } }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) using namespace std; typedef long long ll; using P=pair<ll, ll>; #define MAX 110 int gcd(int a, int b) { if (b == 0) return a; return (gcd(b, a % b)); } int a[MAX]; signed main(void) { int n, ans, max, cnt; cin >> n; rep(i, n) cin>>a[i]; max = 0; ans = -1; for (int g = 2; g <= 1000; g++) { cnt = 0; rep(i, n) { if (g == gcd(g, a[i])) cnt++; } if (max <= cnt) { ans = g; max = cnt; } } cout << ans << endl; return 0; }
// includes #include <bits/stdc++.h> using namespace std; // macros #define pb emplace_back #define mk make_pair #define FOR(i, a, b) for(int i=(a);i<(b);++i) #define rep(i, n) FOR(i, 0, n) #define rrep(i, n) for(int i=((int)(n)-1);i>=0;i--) #define irep(itr, st) for(auto itr = (st).begin(); itr != (st).end(); ++itr) #define irrep(itr, st) for(auto itr = (st).rbegin(); itr != (st).rend(); ++itr) #define whole(x) (x).begin(),(x).end() #define sz(x) ((int)(x).size()) #define bit(n) (1LL<<(n)) #define F first #define S second // functions template <typename T> void unique(T& c){c.erase(std::unique(c.begin(), c.end()), c.end());} template <class T>bool chmax(T &a, const T &b){if(a < b){a = b; return 1;} return 0;} template <class T>bool chmin(T &a, const T &b){if(a > b){a = b; return 1;} return 0;} template <typename T> istream &operator>>(istream &is, vector<T> &vec){for(auto &v: vec)is >> v; return is;} template <typename T> ostream &operator<<(ostream &os, const vector<T>& vec){for(int i = 0; i < vec.size(); i++){ os << vec[i]; if(i + 1 != vec.size())os << " ";} return os;} template <typename T> ostream &operator<<(ostream &os, const set<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template <typename T> ostream &operator<<(ostream &os, const unordered_set<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template <typename T> ostream &operator<<(ostream &os, const multiset<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template <typename T> ostream &operator<<(ostream &os, const unordered_multiset<T>& st){for(auto itr = st.begin(); itr != st.end(); ++itr){ os << *itr; auto titr = itr; if(++titr != st.end())os << " ";} return os;} template <typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p){os << "(" << p.first << ", " << p.second << ")"; return os;} template <typename T1, typename T2> ostream &operator<<(ostream &os, const map<T1, T2> &mp){for(auto itr = mp.begin(); itr != mp.end(); ++itr){ os << "(" << itr->first << ", " << itr->second << ")"; auto titr = itr; if(++titr != mp.end())os << " "; } return os;} template <typename T1, typename T2> ostream &operator<<(ostream &os, const unordered_map<T1, T2> &mp){for(auto itr = mp.begin(); itr != mp.end(); ++itr){ os << "(" << itr->first << ", " << itr->second << ")"; auto titr = itr; if(++titr != mp.end())os << " "; } return os;} // types using ll = long long int; using P = pair<int, int>; // constants const int inf = 1e9; const ll linf = 1LL << 60; const double EPS = 1e-10; const int mod = 1000000007; const int dx[4] = {-1, 0, 1, 0}; const int dy[4] = {0, -1, 0, 1}; // io struct fast_io{ fast_io(){ios_base::sync_with_stdio(false); cin.tie(nullptr); cout << fixed << setprecision(20);} } fast_io_; int main(int argc, char const* argv[]) { int n; cin >> n; vector<ll> a(n); cin >> a; int maxi = 0, res = 0; for(int i = 2; i <= 1000; i++){ int tmp = 0; rep(j, n){ if(a[j] % i == 0)++tmp; } if(chmax(maxi, tmp))res = i; } cout << res << endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define debug(...) fprintf(stderr, __VA_ARGS__), fflush(stderr) typedef long long int ll; typedef long double ld; typedef pair<ll,ll> p2; #define sz(a) ll(a.size()) char t[300005]; void solve(){ ll n; string s; cin>>n>>s; if(s=="1"){ cout<<ll(2*pow(10,10)); return; } ll j=0; while(j<300005){ if(j%3==2) t[j]='0'; else t[j]='1'; j++; } for(ll i=0;i<3;i++){ ll f=0; for(ll j=i;j<i+n;j++) if(s[j-i]!=t[j]){ f=1; break; } if(!f){ cout<<ll(pow(10,10))-(n+i-1)/3; return; } } cout<<0; } int main(){ ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt", "r" , stdin); freopen("output.txt", "w", stdout); #endif clock_t z=clock(); ll qc=1; //cin>>qc; for(ll i=1;i<=qc;i++) solve(); debug("Total Time:%.4Lf\n",(ld)(clock()-z)/CLOCKS_PER_SEC); }
// #pragma GCC optimize(2) // #include <random> // #include <windows.h> // #include <ctime> #include <algorithm> #include <iostream> #include <sstream> #include <cstring> #include <cstdio> #include <cctype> #include <bitset> #include <string> #include <vector> #include <queue> #include <cmath> #include <stack> #include <set> #include <map> #define IO \ ios::sync_with_stdio(false); \ // cout.tie(0); #define lson(x) (x << 1) #define rson(x) (x << 1 | 1) using namespace std; // int dis[8][2] = {0, 1, 1, 0, 0, -1, -1, 0, 1, -1, 1, 1, -1, 1, -1, -1}; typedef unsigned long long ULL; typedef long long LL; typedef pair<int, int> P; const int maxn = 2e5 + 10; const int maxm = 1e7 + 10; const LL INF = 0x3f3f3f3f3f3f3f3f; const int inf = 0x3f3f3f3f; const LL mod = 998244353; const double eps = 1e-8; const double pi = acos(-1); int dis[4][2] = {1, 0, 0, -1, 0, 1, -1, 0}; // int m[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}; char s[maxn]; int main() { #ifdef WXY freopen("in.txt", "r", stdin); // freopen("out.txt", "w", stdout); #endif // IO; int n; // cin >> n; scanf("%d", &n); scanf("%s", s + 1); LL temp = LL(pow(10, 10)); if (n == 1) { if (s[1] == '1') cout << temp * 2; else cout << temp; return 0; } else if (n == 2) { if (s[1] == '0' && s[2] == '0') cout << 0; else if (s[1] == '1' && s[2] == '1') cout << temp; else if (s[1] == '0' && s[2] == '1') cout << temp - 1; else cout << temp; return 0; } int p = -1; for (int i = 1; i <= n; i++) { if (s[i] == '0') { p = i; break; } } if (p > 3 || (p == -1)) { cout << 0; return 0; } for (int i = p; i <= n; i++) { if (s[i] == '0') { if (i == n) break; else if (i + 3 <= n && s[i + 1] == '1' && s[i + 2] == '1' && s[i + 3] == '0') continue; else if (i + 2 == n && s[i + 1] == '1' && s[i + 2] == '1') continue; else if ((i + 1 == n && s[i + 1] == '1')) break; else { cout << 0; return 0; } } } if (s[n - 1] == '0' && s[n] == '1') n += 2; else if (s[n - 1] == '1' && s[n] == '1') n += 1; if (p == 2) n += 1; if (p == 1) n += 2; LL cnt = n / 3; cout << LL(pow(10, 10)) - cnt + 1; return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int N; cin >> N; vector<int> p(N); for (int i = 0; i < N; i++){ cin >> p[i]; } set<int> st; for (int i = 0; i <= 200000; i++){ st.insert(i); } for (int i = 0; i < N; i++){ if (st.count(p[i])){ st.erase(p[i]); } cout << *st.begin() << endl; } }
#include <bits/stdc++.h> using namespace std; using ll = long long; // -------------------------------------------------------- template<class T> bool chmax(T& a, const T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> bool chmin(T& a, const T b) { if (b < a) { a = b; return 1; } return 0; } #define FOR(i,l,r) for (int i = (l); i < (r); ++i) #define RFOR(i,l,r) for (int i = (r)-1; (l) <= i; --i) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) RFOR(i,0,n) #define ALL(c) (c).begin(), (c).end() #define RALL(c) (c).rbegin(), (c).rend() #define SORT(c) sort(ALL(c)) #define RSORT(c) sort(RALL(c)) #define MIN(c) *min_element(ALL(c)) #define MAX(c) *max_element(ALL(c)) #define SUM(c) accumulate(ALL(c), 0) #define SUMLL(c) accumulate(ALL(c), 0LL) #define SZ(c) ((int)(c).size()) #define CIN(c) cin >> (c) #define COUT(c) cout << (c) << '\n' #define debug(x) cerr << #x << " = " << (x) << '\n'; using P = pair<int,int>; using VP = vector<P>; using VVP = vector<VP>; using VS = vector<string>; using VI = vector<int>; using VVI = vector<VI>; using VLL = vector<ll>; using VVLL = vector<VLL>; using VB = vector<bool>; using VVB = vector<VB>; using VD = vector<double>; using VVD = vector<VD>; static const double EPS = 1e-10; static const double PI = acos(-1.0); static const ll MOD = 1000000007; // static const ll MOD = 998244353; static const int INF = (1 << 30) - 1; // 1073741824 - 1 // static const ll INF = (1LL << 62) - 1; // 4611686018427387904 - 1 // -------------------------------------------------------- // #include <atcoder/all> // using namespace atcoder; int main() { ios::sync_with_stdio(false); cin.tie(0); cout << fixed << setprecision(15); int N; cin >> N; VI P(N); REP(i,N) cin >> P[i]; const int MAX_P = 2e5; VB seen(MAX_P + 2, false); int min = 0; for (int p : P) { seen[p] = true; while (seen[min]) { min++; } COUT(min); } return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long i64; typedef unsigned long long ui64; typedef vector<i64> vi; typedef vector<vi> vvi; typedef pair<i64, i64> pi; #define pb push_back #define sz(a) i64((a).size()) #define all(c) (c).begin(), (c).end() #define REP(s, e, i) for(i=(s); i < (e); ++i) inline void RI(i64 &i) {scanf("%lld", &(i));} inline void RVI(vi &v) { for(i64 i=0;i<sz(v);++i) { RI(v[i]); } } inline void RVVI(vvi &vv) { for(i64 i=0;i<sz(vv);++i) { RVI(vv[i]); } } inline void WI(const i64 &i) {printf("%lld\n", i);} inline void WVI(const vi &v, char sep=' ') { for(i64 i=0;i<sz(v);++i) { if(i != 0){ printf("%c", sep); } printf("%lld", v[i]);} printf("\n"); } inline void WS(const string &s) { printf("%s\n", s.c_str()); } inline void WB(bool b, const string &yes, const string &no) { if(b){ WS(yes);} else { WS(no);} } inline void YESNO(bool b) { WB(b, "YES", "NO"); } inline void YesNo(bool b) { WB(b, "Yes", "No"); } #define BUF_LENGTH 1000000 inline void RS(string &s) {static char buf[BUF_LENGTH]; scanf("%s", buf); s = buf;} template<typename T> inline bool IN(T &S, const typename T::key_type &key) { return S.find(key) != S.end(); } template<typename T> inline bool ON(const T &b, i64 idx) { return ((T(1) << idx) & b) != 0; } int main(int argc, char *argv[]) { i64 i, j, k; i64 T, t; RI(T); REP(0, T, t) { i64 N; RI(N); vi p(N); RVI(p); vi p0 = p; for(auto &pp: p) { --pp; } unordered_set<i64> pos[2]; REP(0, N-1, i) { if(p[i] > p[i+1]) { pos[i%2].insert(i); } } #if 0 WVI(p); cerr << "pos: "; for(auto &pp: pos[0]) { cerr << pp << " "; } for(auto &pp: pos[1]) { cerr << pp << " "; } cerr << endl; #endif vi ans; i64 cur = 0; while(!pos[0].empty() || !pos[1].empty()) { //cerr << endl; i64 pr = -1; if(pos[cur%2].empty()) { pr = cur % 2; } else { pr = *pos[cur%2].begin(); } ans.pb(pr+1); //cerr << "swap " << pr << " " << pr + 1 << endl; swap(p[pr], p[pr+1]); for(i64 i=pr-1;i<=pr+1;++i) { if(0 <= i && i < N - 1) { if(p[i] > p[i+1]) { pos[i%2].insert(i); } else { auto it = pos[i%2].find(i); if(it != pos[i%2].end()) { pos[i%2].erase(it); } } } } ++cur; #if 0 WVI(p); cerr << "pos: "; for(auto &pp: pos[0]) { cerr << pp << " "; } for(auto &pp: pos[1]) { cerr << pp << " "; } cerr << endl; #endif } REP(0, N, i) { if(p[i] != i) { WVI(p0); WVI(p); } assert(p[i] == i); } assert(sz(ans) <= N * N); WI(sz(ans)); WVI(ans); } return 0; }
#include<iostream> #include<bits/stdc++.h> using namespace std; int main(){ int n; cin>>n; long long arr[n][n]; for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ cin>>arr[i][j]; } } int dif[n]; int min=arr[0][0],minindex=0; for(int i=1;i<n;i++){ if(arr[i][0]<min){ min=arr[i][0]; minindex=i; } } for(int i=0;i<n;i++){ dif[i]=arr[i][0]-arr[minindex][0]; for(int j=0;j<n;j++){ if( ( arr[i][j] - arr[minindex][j] ) != dif[i] ){ cout<<"No"<<endl; return 0; } } } cout<<"Yes"<<endl; for(int i=0;i<n;i++){ cout<<dif[i]<<" "; } cout<<endl; for(int i=0;i<n;i++){ cout<<arr[minindex][i]<<" "; } cout<<endl; }
#include<bits/stdc++.h> using namespace std; typedef double db; int main() { int n,dm,hm; cin>>n>>dm>>hm; int d,h; db ans=1.0*hm/dm; while(n--) { scanf("%d %d",&d,&h); ans=min(ans,1.0*(hm-h)/(dm-d)); } printf("%.15lf",hm-dm*ans); return 0; }
// DeNsE - EcLiPsE // // WHAT is DEAD may NEVER die // #include <iostream> #include <vector> #include <algorithm> #include <numeric> #include <map> #include <unordered_map> #include <cmath> #include <iomanip> #include <set> #include <cstring> #include <stack> #include <sstream> #include <queue> #include <unordered_set> #include <cstdlib> using namespace std; #define nitro ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define int long long #define double long double #define endl " \n" const int inf = (1ll << 62) - 1; const int mod = 1e9 + 7; const int N = 1e5 + 5; const double pi = 3.14159265358979323846; int bPow(int a, int b){ int res = 1; while(b) { if (b & 1) { res = (res * a) % mod; } b >>= 1; a = (a * a) % mod; } return res % mod; } int gcd(int a, int b) { if(a < b) swap(a, b); if (b == 0) return a; return gcd(b, a % b); } vector<int> fact(N, 0ll); void factorial(){ fact[0] = 1, fact[1] = 1; for(int i = 2; i < N; i++){ fact[i] = (fact[i - 1] * i) % mod; } } int ncr(int n, int r){ if(r > n) return 0; int ans = fact[n] % mod; ans *= bPow(fact[r], mod - 2) % mod; ans %= mod; ans *= bPow(fact[n - r], mod - 2) % mod; ans %= mod; return ans; } vector<int> primes(N, -1); void sieve(){ iota(primes.begin(), primes.end(), 0); for (int i = 2; i * i <= N; ++i) { if(primes[i] == i){ for (int j = 2 * i; j < N; j += i) { primes[j] = i; } } } } bool check(vector<pair<double, double> > a, double y1, double x2, double y2){ double slope = (double) (y2 - y1) / (double) x2; for (auto & i : a) { double x3 = i.first, y3 = i.second; double temp = (double) (y3 - y1) / (double) x3; if(temp >= slope){ return false; } } return true; } void solve() { int n; double b, h; cin >> n >> b >> h; vector<pair<double, double>> obs; for (int i = 0; i < n; ++i) { double x, y; cin >> x >> y; obs.emplace_back(x, y); } double l = 0.0, r = 1000.0, ans = 0.0; while (l < r){ double mid = (l + r) / 2.0; if(check(obs, mid, b, h)){ ans = mid; r = mid - 0.00001; }else{ l = mid + 0.00001; } } cout << ans << endl; } signed main(){ nitro int tc = 1, test = 1; //cin >> tc; while(tc--){ //cout << "Case #" << test++ << ": "; solve(); } }
#include<bits/stdc++.h> using namespace std; bool check(long long k, long long middle, vector<vector<long long>> &b){ if(k >= b[middle][2]){return (true);} else{return (false);} } int main(){ int n, q; cin >> n >> q; vector<long long> a(n+1), k(q); for(int i = 0; i < n; ++i){cin >> a[i];} a[n] = 1LL<<60; vector<vector<long long>> b; long long s = 1, ccount = 1; for(int i = 0; i <= n; ++i){ long long e = a[i]; if(e - s == 0){s = e + 1;} else{ vector<long long> tmp = {s, e-1, ccount}; ccount += e - s; b.emplace_back(tmp); s = e + 1; } } for(int i = 0; i < q; ++i){ long long k; cin >> k; long long bottom = 0, top = b.size(), middle; while(top - bottom > 1){ middle = (bottom + top)/2; if(check(k, middle, b) == true){bottom = middle;} else{top = middle;} } int p = bottom; cout << b[p][0] + k - b[p][2] << endl; } }
#include <bits/stdc++.h> using namespace std; // https://www.geeksforgeeks.org/ordered-set-gnu-c-pbds/ #define fastio ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); #define rep(i,s,e) for(int i=s ; i < e ; i++) #define rrep(i,s,e) for(int i=s ; i > e ; i--) #define srep(i,s,e,j) for(int i=s ; i < e ; i+=j) #define tr(i,x) for(auto i : x) #define vinp(a) for(int i=0 ; i<a.size() ; i++)cin>>a[i] #define ainp(a,n) for(int i=0; i<n; i++)cin>>a[i] #define int long long #define vi vector<int> #define vs vector<string> #define vb vector<bool> #define vpi vector<pii> #define maxpqi priority_queue<int> #define minpqi priority_queue <int, vector<int>, greater<int> > #define pii pair<int,int> #define F first #define S second #define mk make_pair #define pb push_back #define pf push_front #define endl '\n' #define gcd(a,b) __gcd(a,b) #define clr(x) memset(x,0,sizeof(x)) #define fill(x,y) memset(x,y,sizeof(x)) #define lb lower_bound #define ub upper_bound #define npos string::npos #define all(x) x.begin(),x.end() #define sayyes cout << "YES" << endl #define sayno cout << "NO" << endl string a="ALICE",b="BOB"; void solve(){ int n,q;cin>>n;cin>>q; int a[n+1];a[0]=0; int b[n+1];b[0]=0; rep(i,1,n+1){ cin>>a[i]; b[i] = a[i]-i; } // int q;cin>>q; while(q--){ int k;cin>>k; // cout << "findng " << k << "th" << endl; // auto it = lb(b, b+) int pos = lb(b,b+n+1,k)-b; // cout << "pos : " << pos << endl; pos--; // cout << "pos--" << endl; // cout << "b[pos] : " << b[pos] << endl; cout << a[pos]+k-b[pos] << endl; // cout << "--> " << a[pos]+k-b[pos] << endl; } // cout<<endl; } int32_t main() { fastio // freopen("input.txt","r",stdin); // freopen("output.txt","w",stdout); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using P = pair<int, int>; using Graph = vector<vector<int>>; #define rep(i, n) for (int i = 0; i < n; ++i) template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; } int main(){ int n,w; cin>>n>>w; vector<ll> a(200005,0),b(200005,0); rep(i,n){ int s,t,p; cin>>s>>t>>p; a[s]+=p; a[t]-=p; } ll now=0; bool ok=true; rep(i,200005){ now+=a[i]; b[i]=now; if(b[i]>w) ok=false; } if(ok) cout << "Yes" << endl; else cout << "No" << endl; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; int main() { ll n,w; cin>>n>>w; ll curr [200005]; memset( curr , 0 , sizeof(curr ) ); for(int i=0;i< n;i++) { ll s , t, p; cin>>s>>t>>p; curr[s] += p; curr[t] += -p; } for(int i=0;i<200004;i++) { curr[i+1] +=curr[i]; if( curr[i] > w ) { cout<<"No"; return 0; } } cout<<"Yes"; }
#include<bits/stdc++.h> using namespace std; #define int long long //delete if causing problems #define F first #define dbg(x) cout<<#x<<" "<<x<<endl; #define S second #define setbit(n) __builtin_popcount(n) #define all(x) x.begin() , x.end() #define clr(x) memset(x,0,sizeof(x)) #define fast ios_base::sync_with_stdio(0); cin.tie(0); #define endl "\n" //delete if interactive #define MOD 1000000007 const int inf = 1e18; int power(int a, int b); signed main() { fast int t = 1; //cin >> t; while (t--) { int n; cin >> n; int a[n], b[n]; for (int i = 0; i < n; i++) cin >> a[i]; for (int i = 0; i < n; i++) cin >> b[i]; int sum = 0; for (int i = 0; i < n; i++) { sum += (a[i] * b[i]); } if (sum == 0) cout << "Yes"; else cout << "No"; } return 0; } int power(int a, int b) { int res = 1; while (b) { if (b % 2) b-- , res = res * a; else b = b / 2 , a *= a; } return res; } /* #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif */
#include<bits/stdc++.h> using namespace std; typedef long long ll; #define REP(i, n) for(ll i = 0; i < (ll)(n); ++i) #define FOR(i, a, b) for(ll i=(a); i < (ll)(b); ++i) template<class T> inline bool chmax(T& a, T b) { if(a < b){ a=b; return 1; } return 0;} template<class T> inline bool chmin(T& a, T b) { if(a > b){ a=b; return 1; } return 0;} ll GCD(ll a, ll b){ if(b==0) return a; return GCD(b, a%b); } ll ext_gcd(ll a, ll b, ll &x, ll &y){ if(b==0){ x = 1; y = 0; return a; } ll d = ext_gcd(b, a%b, y, x); y -= a/b * x; return d; } void solve(){ ll n,s,k; cin >> n >> s >> k; ll x,y; ll egcd = ext_gcd(n,k,x,y); cerr << x <<" "<< y << endl; if(s%egcd==0){ ll ans = -1*y*(s/egcd); ll di = n/GCD(n,k); cout << ((ans%di)+di)%di << endl; }else{ cout << "-1\n"; } } int main(){ int t; cin >> t; while(t--){ solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; #define ll long long #define ld long double int main() { ll A, B; cin >> A >> B; vector<int> primes = {2,3,5,7,11,13,17,19,23,29,31,37,41,43,47,53,59,61,67,71}; int K = primes.size(); vector<ll> from(1<<K, 0), to(1<<K, 0); from[0] = 1; for (ll i = A; i <= B; i++) { fill(to.begin(), to.end(), 0); ll mask = 0; for (int j = 0; j < K; j++) { if (i%primes[j] == 0) mask |= (1<<j); } for (int j = 0; j < (1<<K); j++) { to[j] += from[j]; if ((j&mask) == 0) to[j|mask] += from[j]; } swap(from, to); } ll ans = 0; for (ll n : from) ans += n; cout << ans << endl; return 0; }
#include <bits/stdc++.h> using namespace std; template <class T> inline void read(T &x) { x= 0; char c= getchar(); while(!isdigit(c)) c= getchar(); while(isdigit(c)) x= x * 10 + (c & 15), c= getchar(); } #define N 74 int n, prime[]= {2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71}, p[N]; long long a, b, t[N], f[1 << 20], ans; signed main() { read(a), read(b); for(long long i= a; i <= b; i++) t[++n]= i; for(int i= 1; i <= n; i++) for(int j= 0; j < 20; j++) if(t[i] % prime[j] == 0) p[i]|= 1 << j; f[0]= 1; for(int j= 1; j <= n; j++) for(int i= 0; i < (1 << 20); i++) { if(i & p[j]) continue; f[i | p[j]]+= f[i]; } for(int i= 0; i < (1 << 20); i++) ans+= f[i]; printf("%lld", ans); return 0; }
#include<iostream> #include<algorithm> using namespace std; int main() { int n,i,a=0,b=1001,t; cin >> n; for(i=0;i<n;i++){ cin >> t; if(t>a) a=t; } for(i=0;i<n;i++){ cin >> t; if(t<b) b=t; } cout << max(b-a+1,0) << endl; return 0; }
#include <bits/stdc++.h> #define pb push_back #define ll long long #define ull unsigned long long #define mp make_pair #define si short int #define speed ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0) #define pill pair<ll,ll> #define f first #define s second #define pilc pair<ll,char> #define all(a) (a).begin(),(a).end() #define rep(s,e,step) for(int i = (s); i < (e) ; i += step) #define vrep(s,e,step) for(int j = (s); j < (e) ; j += step) #define ex exit(0) #define sz(a) (a).size() #define triple pair<pill, ll> #define pinode pair<node*, node*> #define quadra pair<pill, pill> #define ld long double using namespace std; const ll N = 1e5 + 100; const ll M = 3e5 + 101; const ll big = 1e17; const ll hsh2 = 1964325029 ; const long long mod = 1e9 + 7; const long double EPS = 1e-10; const ll block = 1e7; const ll shift = 2e3; const ld pi = acos(-1.0); ll n, a[N]; vector<ll> z; int main() { speed; cin >> n; for(int i = 1; i <= n; i++) cin >> a[i], z.pb(a[i]); sort(a + 1, a + n + 1); ll ans = 1, lst = 0; for(int i = 1; i <= n; i++) { ans = (ans * ( a[i] - lst + 1)) % mod; lst = a[i]; } cout << ans << '\n'; } /* */
#include <bits/stdc++.h> using namespace std; #define ll long long #define cin std::cin #define cout std::cout #define endl "\n" #define mod 1000000007 #define pi 3.141592653589793238462643 #define pb push_back #define ppb pop_back #define mp make_pair #define all(v) v.begin(), v.end() #define ff first #define ss second #define rep(i,n) for(int i=0; i<n; ++i) #define round(n,i) fixed<<setprecision(i)<<n void solve(){ ll n; cin>>n; if (n <= 100) cout<<1<<endl; else if (n % 100 == 0) cout << n/ 100 <<endl; else cout << n/ 100 + 1 <<endl; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); ll t=1; // cin>>t; for(ll i=1; i<=t; ++i){ solve(); } }
#include <iostream> using namespace std; int main() { int n; cin >> n; cout << n / 100 + (n % 100 != 0) << endl; }
#include <iostream> #include <vector> #include <algorithm> #include <utility> using namespace std; using ll = long long; using ull = unsigned long long; #define rep(i,n) for(int i=0; i<(n); i++) int popcount(int a){ a = (a&0x55555555) + ((a>>1)&0x55555555); a = (a&0x33333333) + ((a>>2)&0x33333333); a = (a&0x0f0f0f0f) + ((a>>4)&0x0f0f0f0f); a = (a&0x00ff00ff) + ((a>>8)&0x00ff00ff); return (a & 0xffff) + (a>>16); } int N,M; vector<vector<pair<int,int>>> Resteictions; vector<ull> dp; int main(){ scanf("%d%d",&N,&M); Resteictions.resize(N+1); rep(i,M){ int x,y,z; scanf("%d%d%d",&x,&y,&z); Resteictions[y].push_back({(1<<x)-1,z}); } dp.assign(1<<N,0); dp[0] = 1; rep(j,1<<N){ int c = popcount(j); for(auto q : Resteictions[c]){ if(popcount(j & q.first) > q.second) dp[j] = 0; } rep(k,N){ if((j&(1<<k)) != 0) continue; dp[j|(1<<k)] += dp[j]; } } printf("%llu\n",dp[(1<<N)-1]); return 0; }
#include <bits/stdc++.h> // #include <atcoder/all> using namespace std; // using namespace atcoder; #define rep(i, n) for (int i = 0; i < n; i++) #define rep1(i, n) for (int i = 1; i <= n; i++) #define rrep(i, n) for (int i = n - 1; i >= 0; i--) #define rrep1(i, n) for (int i = n; i >= 1; i--) #define all(x) x.begin(), x.end() #define rall(x) x.rbegin(), x.rend() #define eb emplace_back template <class T> using V = vector<T>; template <class T> using VV = V<V<T>>; typedef long long int ll; typedef pair<int, int> P; // typedef modint1000000007 mint; template <class T> bool chmax(T &a, const T &b) { if (a < b) { a = b; return true; } return false; } template <class T> bool chmin(T &a, const T &b) { if (b < a) { a = b; return true; } return false; } void speedUpIO() { cin.tie(nullptr); ios::sync_with_stdio(false); } /*--------------------------------------------------*/ void solve() { int n, m; cin >> n >> m; V<int> a(n); rep(i, n) cin >> a[i]; V<int> cnt(n + 1); rep(i, m) cnt[a[i]]++; int ans = n; rep(i, n) { if (cnt[i] == 0) { ans = i; break; } } for (int i = 1; i <= n - m; i++) { int l = i - 1; int r = i + m - 1; // if (cnt[a[l]] == 0) chmin(ans, a[l]); cnt[a[l]]--; cnt[a[r]]++; if (cnt[a[l]] == 0) chmin(ans, a[l]); } rep(i, n) { if (cnt[i] == 0) { chmin(ans, i); break; } } cout << ans << "\n"; } int main() { speedUpIO(); solve(); return 0; }
#include<iostream> #include<vector> #include<string> #include<algorithm> #include<cstdlib> #include<iomanip> #define _GLIBCXX_DEBUG using namespace std; int main() { int A, B; double ans; cin >> A >> B; ans = (double)A * (double)B / 100; cout << ans << endl; }
#include <bits/stdc++.h> #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif using namespace std; #define all(v) v.begin(), v.end() #define ll long long #define rep(i, n) for (ll i = 0; i < n; ++i) #define rep_up(i, a, b) for (ll i = a; i < b; ++i) #define rep_down(i, a, b) for (ll i = a; i > b; --i) #define P pair<ll, ll> #define Graph vector<vector<ll>> #define fi first #define se second #define vvvvll vector<vector<vector<vector<ll>>>> #define vvvll vector<vector<vector<ll>>> #define vvll vector<vector<ll>> #define vll vector<ll> #define vvvvdo vector<vector<vector<vector<double>>>> #define vvvdo vector<vector<vector<double>>> #define vvdo vector<vector<double>> #define vdo vector<double> #define pqll priority_queue<ll> #define pqllg priority_queue<ll, vector<ll>, greater<ll>> constexpr ll INF = (1ll << 60); // constexpr ll mod = 998244353; // constexpr ll mod = 67280421310721; // constexpr ll mod = 1e18+3; constexpr ll mod = 1000000007; constexpr double pi = 3.14159265358979323846; template <typename T> inline bool chmax(T &a, T b) { if (a < b) { a = b; return 1; } return 0; } template <typename T> inline bool chmin(T &a, T b) { if (a > b) { a = b; return 1; } return 0; } template <typename T> void pt(T val) { cout << val << "\n"; } template <typename T> void pt_vll(vector<T> &v) { ll vs = v.size(); rep(i, vs) { cout << v[i]; if (i == vs - 1) cout << "\n"; else cout << " "; } } template <typename T> void pt_vvll(vector<vector<T>> &v) { ll vs = v.size(); rep(i, vs) pt_vll(v[i]); } ll gcd(ll a, ll b) { if (a % b == 0) return b; return gcd(b, a % b); } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } ll modinv(ll a, ll m) { ll b = m, u = 1, v = 0; while (b) { ll t = a / b; a -= t * b; swap(a, b); u -= t * v; swap(u, v); } u %= m; if (u < 0) u += m; return u; } ll modpow(ll x, ll n, ll M) { ll ret = 1; while (n > 0) { if (n & 1) ret = ret * x % M; x = x * x % M; n >>= 1; } return ret; } // ll minv(ll a, ll m) { return modpow(a, m - 2); } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); ll N, M; cin >> N >> M; pt(modpow(10, N, M * M) / M); return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (int)(n); ++i) #define rep1(i, n) for(int i = 1; i <= (int)(n); ++i) #define rrep(i, n) for (int i = (int)(n) - 1; i >= 0; --i) #define rrep1(i, n) for (int i = (int)(n); i > 0; --i); #define REP(i, a, b) for (int i = (int)(a); i < (int)(b); ++i) #define RREP(i, a, b) for(int i = (int)(b) - 1; i >= (int)(a); --i) template<typename T> bool chmin(T& a, T b) { if (a > b) { a = b; return true; } else return false; } template<typename T> bool chmax(T& a, T b) { if (a < b) { a = b; return true; } else return false; } using namespace std; using ll = long long; using P = pair<int, int>; int main() { int n, m; cin >> n >> m; vector<int> a(n), b(m); set<int> sa, sb; rep(i, n) { cin >> a[i]; sa.insert(a[i]); } rep(i, m) { cin >> b[i]; sb.insert(b[i]); } vector<int> ans; rep(i, n) { if (sb.count(a[i]) == 0) ans.push_back(a[i]); } rep(i, m) { if (sa.count(b[i]) == 0) ans.push_back(b[i]); } sort(ans.begin(), ans.end()); for (int i : ans) cout << i << " "; cout << endl; }
#include <iostream> #include <vector> #include <utility> #include<algorithm> #include <string> #include <map> #include <cmath> #include <random> #include <tuple> #include <set> #define ll long long #define rep(i, n) for (int i = 0; i < (int)(n); i++) using namespace std; int main(){ ll n; ll m; cin >> n; cin >> m; vector<ll> a(n); vector<ll> b(m); map<ll,int> c; rep(i,n){ cin >> a[i]; c[a[i]] ++; } rep(i,m){ cin >> b[i]; c[b[i]]++; } for(auto x:c){ ll p = x.first; ll q = x.second; if(q == 1){ cout << p << ' '; } } cout << endl; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<ll, ll> P; #define N 214514 const ll mod = 1e9 + 7; const ll inf = 1000000000000000000; ll a[N], b[N]; ll par[N], num[N]; bool used[N]; int main() { ll n; cin >> n; vector<vector<ll>> v(n + 1); for (int i = 1; i < n; i++) { cin >> a[i] >> b[i]; v[a[i]].push_back(b[i]); v[b[i]].push_back(a[i]); } par[1] = -1; used[1] = 1; queue<ll> que; que.push(1); while (!que.empty()) { ll x = que.front(); que.pop(); for (ll y : v[x]) { if (used[y]) continue; used[y] = 1; par[y] = x; que.push(y); } } ll q; cin >> q; while (q--) { ll t, e, x; cin >> t >> e >> x; if (t == 1) { if (par[a[e]] == b[e]) num[a[e]] += x; else { num[1] += x; num[b[e]] -= x; } } else { if (par[b[e]] == a[e]) num[b[e]] += x; else { num[1] += x; num[a[e]] -= x; } } } que.push(1); for (int i = 2; i <= n; i++) used[i] = 0; while (!que.empty()) { ll x = que.front(); que.pop(); for (ll y : v[x]) { if (used[y]) continue; used[y] = 1; num[y] += num[par[y]]; que.push(y); } } for (int i = 1; i <= n; i++) cout << num[i] << endl; return 0; }
#include <bits/stdc++.h> using namespace std; //using namespace atcoder; struct fast_ios { fast_ios(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(20); }; } fast_ios_; #define FOR(i, begin, end) for(int i=(begin);i<(end);i++) #define REP(i, n) FOR(i,0,n) #define IFOR(i, begin, end) for(int i=(end)-1;i>=(begin);i--) #define IREP(i, n) IFOR(i,0,n) #define Sort(v) sort(v.begin(), v.end()) #define Reverse(v) reverse(v.begin(), v.end()) #define all(v) v.begin(),v.end() #define SZ(v) ((int)v.size()) #define Lower_bound(v, x) distance(v.begin(), lower_bound(v.begin(), v.end(), x)) #define Upper_bound(v, x) distance(v.begin(), upper_bound(v.begin(), v.end(), x)) #define chmax(a, b) a = max(a, b) #define chmin(a, b) a = min(a, b) #define bit(n) (1LL<<(n)) #define debug(x) cout << #x << "=" << x << endl; #define vdebug(v) { cout << #v << "=" << endl; REP(i_debug, v.size()){ cout << v[i_debug] << ","; } cout << endl; } #define mdebug(m) { cout << #m << "=" << endl; REP(i_debug, m.size()){ REP(j_debug, m[i_debug].size()){ cout << m[i_debug][j_debug] << ","; } cout << endl;} } #define pb push_back #define fi first #define se second #define int long long #define INF 1000000000000000000 template<typename T> istream &operator>>(istream &is, vector<T> &v){ for (auto &x : v) is >> x; return is; } template<typename T> ostream &operator<<(ostream &os, vector<T> &v){ for(int i = 0; i < v.size(); i++) { cout << v[i]; if(i != v.size() - 1) cout << endl; }; return os; } template<typename T1, typename T2> ostream &operator<<(ostream &os, pair<T1, T2> p){ cout << '(' << p.first << ',' << p.second << ')'; return os; } template<typename T> void Out(T x) { cout << x << endl; } template<typename T1, typename T2> void chOut(bool f, T1 y, T2 n) { if(f) Out(y); else Out(n); } using vec = vector<int>; using mat = vector<vec>; using Pii = pair<int, int>; using v_bool = vector<bool>; using v_Pii = vector<Pii>; //int dx[4] = {1,0,-1,0}; //int dy[4] = {0,1,0,-1}; //char d[4] = {'D','R','U','L'}; const int mod = 1000000007; //const int mod = 998244353; struct edge{int to, cost, id;}; class Graph { public: int N; vector<vector<edge>> G; vec par, val; int offset = 0; Graph(int N): N(N){ G = vector<vector<edge>>(N, vector<edge>(0)); par = vec(N, -1); val = vec(N, 0); } void add_Directed_edge(int from, int to, int cost = 1, int id = 0){ G[from].push_back(edge({to, cost, id})); } void add_Undirected_edge(int v1, int v2, int cost = 1, int id = 0){ add_Directed_edge(v1, v2, cost, id); add_Directed_edge(v2, v1, cost, id); } void dfs1(int v, int p = -1){ par[v] = p; for(auto e: G[v]) if(e.to != p) dfs1(e.to, v); } void dfs2(int v, int p = -1){ for(auto e: G[v]) if(e.to != p){ val[e.to] += val[v]; dfs2(e.to, v); } val[v] += offset; } }; signed main(){ int N; cin >> N; vec a(N - 1), b(N - 1); Graph G(N); REP(i, N - 1){ cin >> a[i] >> b[i]; a[i]--; b[i]--; G.add_Undirected_edge(a[i], b[i]); } G.dfs1(0); int Q; cin >> Q; REP(i, Q){ int t, e, x; cin >> t >> e >> x; t--; e--; int u = a[e], v = b[e]; if(G.par[v] != u){ swap(u, v); t ^= 1; } if(t == 1) G.val[v] += x; else{ G.offset += x; G.val[v] -= x; } } G.dfs2(0); Out(G.val); return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define FOR(i,a,b) for(ll i=a;(i)<(b);++(i)) #define RFOR(i,a,b) for(ll i=a;(i)>=(b);--(i)) #define REP(i,n) FOR(i,0,n) #define RREP(i,n) RFOR(i,n,0) #define ALL(v) v.begin(), v.end() #define UNIQ(v) sort(ALL(v)); v.erase(unique(ALL(v)), v.end()) #define BIT(n) (1LL<<(n)) #define DEBUG(a) cerr << #a << " = " << a << endl const double PI = acos(-1); const int inf = 1001001001; const int mod = (int)1e9+7; //const ll inf = 1e15; //const ll mod = 1e9+7; int dy[] = {0, 0, 1, -1}; int dx[] = {1, -1, 0, 0}; int main() { int a, b; cin >> a >> b; int ans = 4; if (a+b >= 15 && b >= 8) ans = 1; else if (a+b >= 10 && b >= 3) ans = 2; else if (a+b >= 3) ans = 3; cout << ans << endl; }
#include<iostream> using namespace std; int A, B; int main(void){ cin >> A >> B; if( A + B >= 15 ){ if( B >= 8 ){ cout << 1 << endl; } else if( B >= 3 ){ cout << 2 << endl; } else{ cout << 3 << endl; } } else if( A + B >= 10){ if( B >= 3 ){ cout << 2 << endl; } else{ cout << 3 << endl; } } else if( A + B >= 3){ cout << 3 << endl; } else{ cout << 4 << endl; } return(0); }
#include <bits/stdc++.h> using namespace std; #define all(x) (x).begin(),(x).end() #define print(x) cout << (x) << endl typedef long long ll; using P = pair<ll,ll>; using Graph = vector<vector<int>>; const ll MOD = 1000000007; const ll MOD2 = 998244353; int main(){ int a, b, c; cin >> a >> b >> c; string ans; if(c == 0){ if(a > b)ans = "Takahashi"; else ans = "Aoki"; }else{ if(a < b) ans = "Aoki"; else ans = "Takahashi"; } print(ans); }
#include <bits/stdc++.h> using namespace std; using ll = long long; using ull = unsigned long long; ull INF = 1000000000000000001; int main(){ int A, B, C; cin >> A >> B >> C; vector<vector<vector<double>>> dp(101, vector<vector<double>> (101, vector<double> (101, 0.0))); double sum; double pa, pb, pc; double Am, Bm, Cm; for(int a = 99; a >= 0; a--){ for(int b = 99; b >= 0; b--){ for(int c = 99; c >= 0; c--){ sum = a + b + c; pa = a / sum; pb = b / sum; pc = c / sum; Am = dp.at(a+1).at(b).at(c); Bm = dp.at(a).at(b+1).at(c); Cm = dp.at(a).at(b).at(c+1); dp.at(a).at(b).at(c) += (Am + 1) * pa + (Bm + 1) * pb + (Cm + 1) * pc; } } } //cout << dp.at(A).at(B).at(C) << endl; cout << fixed << setprecision(15) << dp.at(A).at(B).at(C) << endl; }
#pragma region header #include <bits/stdc++.h> using namespace std; #define rep(i,n)for(int i=0;i<(n);i++) #define ALL(a) (a).begin(), (a).end() #define RALL(a) (a).rbegin(), (a).rend() #define pb push_back #define int ll #define each(i, a) for (auto &&i : (a)) using ll = long long; using ld = long double; using vi = vector<int>; using vvi = vector<vi>; using vs = vector<string>; using vvs = vector<vs>; using vd = vector<ld>; using vvd = vector<vd>; using vb = vector<bool>; using vvb = vector<vb>; using P = pair<int, int>; using vp = vector<P>; using int128 = __int128_t;//cin coutはできない template <class T> using greater_queue = priority_queue<T, vector<T>, greater<T>>; int gcd(int a,int b){return b?gcd(b,a%b):a;} int lcm(int a,int b){return a / gcd(a, b) * b;}; int dx[4]={1,0,-1,0}; int dy[4]={0,1,0,-1}; template <class T> void CVEC(const T &v) { int c = v.size() - 1; for (int i = 0; i < c; i++) cout << v[i] << ' '; if (c > -1) cout << v[c]; cout << '\n'; } #pragma endregion header signed main(){ int n; cin >> n; vi a(n), b(n); rep(i,n) cin >> a[i]; rep(i,n) cin >> b[i]; int mi = *max_element(ALL(a)); int mx = *min_element(ALL(b)); cout << max(mx - mi + 1, 0LL) << endl; }
#include <bits/stdc++.h> #include <vector> #include<math.h> #include<string.h> using namespace std; #define MAX 300005 #define MOD 1000000007 #define INF 1000000007 #define EPS 0.0000000001 #define CHAINS 18 #define FASTIO ios_base::sync_with_stdio(false);cin.tie(NULL) #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> #include <ext/pb_ds/detail/standard_policies.hpp> int main() { int n,i; scanf("%d",&n); int a=0,b=1000; for(i=0;i<n;i++) { int c; scanf("%d",&c); a=max(a,c); } for(i=0;i<n;i++) { int c; scanf("%d",&c); b=min(b,c); } if(b<a) { printf("0"); } else { printf("%d",b-a+1); } return 0; }
#include <bits/stdc++.h> #define rep(i, end) for (auto i = 0; i < end; ++i) #define ALL(a) a.begin(), a.end() using namespace std; using ll = long long int; const int MOD_NUM = 1e9 + 7; vector<int> bits_to_indexes(const bitset<8>& bits) { vector<int> indexes; rep(i, 8) if (bits[i]) indexes.emplace_back(i); return indexes; } int sum_by_indexes(const vector<int>& indexes, const vector<int>& A) { int sum_a = 0; for (int i : indexes) sum_a += A[i]; return sum_a; } void output_indexes(const vector<int>& indexes) { cout << indexes.size(); for (int i : indexes) cout << ' ' << i + 1; cout << endl; } int main() { // Input int N; cin >> N; vector<int> A(N); rep(i, N) cin >> A[i]; // Process rep(i, N) A[i] %= 200; vector<int> bits_memory(200, 0); bool judge = false; int b, c; rep(i, pow(2, N)) { bitset<8> bits(i); int sum_a = sum_by_indexes(bits_to_indexes(bits), A) % 200; if (bits_memory[sum_a] == 0) { bits_memory[sum_a] = i; } else { b = bits_memory[sum_a]; c = i; judge = true; break; } } // Output if (judge) { cout << "Yes" << endl; vector<int> B = bits_to_indexes((bitset<8>)b); output_indexes(B); vector<int> C = bits_to_indexes((bitset<8>)c); output_indexes(C); } else { cout << "No" << endl; } return 0; }
#include<bits/stdc++.h> using namespace std; int n,a[205]; int f[205][205],pre[205][205]; int main(){ cin>>n; for(int i=1;i<=n;i++) cin>>a[i],a[i]%=200; for(int i=1;i<=n;i++){ f[i][a[i]]=1; for(int j=0;j<=200;j++){ for(int k=1;k<i;k++){ if(f[k][(j-a[i]+200)%200]){ pre[i][j]=k; f[i][j]=1; } } } } for(int i=0;i<200;i++){ int cnt=0,a1=0,a2=0; for(int j=1;j<=n;j++){ if(f[j][i]){ if(!a1) a1=j; else if(!a2) a2=j; cnt++; } } if(cnt>=2){ puts("Yes"); vector<int> v1,v2; int mod=i; while(a1){ //cout<<a1<<endl; v1.push_back(a1); int t=a1; a1=pre[a1][mod]; mod=(mod-a[t]+200)%200; } mod=i; while(a2){ v2.push_back(a2); int t=a2; a2=pre[a2][mod]; mod=(mod-a[t]+200)%200; } reverse(v1.begin(),v1.end()); reverse(v2.begin(),v2.end()); cout<<v1.size()<<' '; for(int k=0;k<v1.size();k++) cout<<v1[k]<<' '; cout<<endl; cout<<v2.size()<<' '; for(int k=0;k<v2.size();k++) cout<<v2[k]<<' '; return 0; } } puts("No"); }
#include <bits/stdc++.h> using namespace std; template <typename A, typename B> string to_string(pair<A, B> p); template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p); template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p); string to_string(const string& s) { return '"' + s + '"'; } string to_string(const char* s) { return to_string((string) s); } string to_string(bool b) { return (b ? "true" : "false"); } string to_string(vector<bool> v) { bool first = true; string res = "{"; for (int i = 0; i < static_cast<int>(v.size()); i++) { if (!first) { res += ", "; } first = false; res += to_string(v[i]); } res += "}"; return res; } template <size_t N> string to_string(bitset<N> v) { string res = ""; for (size_t i = 0; i < N; i++) { res += static_cast<char>('0' + v[i]); } return res; } template <typename A> string to_string(A v) { bool first = true; string res = "{"; for (const auto &x : v) { if (!first) { res += ", "; } first = false; res += to_string(x); } res += "}"; return res; } template <typename A, typename B> string to_string(pair<A, B> p) { return "(" + to_string(p.first) + ", " + to_string(p.second) + ")"; } template <typename A, typename B, typename C> string to_string(tuple<A, B, C> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ")"; } template <typename A, typename B, typename C, typename D> string to_string(tuple<A, B, C, D> p) { return "(" + to_string(get<0>(p)) + ", " + to_string(get<1>(p)) + ", " + to_string(get<2>(p)) + ", " + to_string(get<3>(p)) + ")"; } void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << to_string(H); debug_out(T...); } #ifdef LOCAL #define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define debug(...) 42 #endif #define fi first #define se second #define pb push_back #define mod(n,k) ( ( ((n) % (k)) + (k) ) % (k)) #define forn(i,a,b) for(int i = a; i < b; i++) #define forr(i,a,b) for(int i = a; i >= b; i--) #define all(x) (x).begin(), (x).end() typedef long long ll; typedef long double ld; typedef pair<int,int> ii; typedef vector<int> vi; typedef vector<ii> vii; const ll mod = 1e9+7; ll mul(ll a,ll b){return ((a%mod)*(b%mod))%mod;} ll sum(ll a,ll b){return ((a%mod)+(b%mod))%mod;} ll sub(ll a,ll b){return ((a%mod)-(b%mod))%mod;} ll power(ll a,ll b){ ll res = 1; while(b){ if(b&1)res = mul(res,a); b >>= 1; a = mul(a,a); } return res; } const int maxn = 19; const int oo = 1e9; int N,M,memo[1<<maxn],seen[maxn][maxn],chido[1<<maxn]; int dp(int mask){ if(mask == (1<<N)-1)return 0; int &res = memo[mask]; if(res != -1)return res; res = oo; int maskinv = 0; forn(i,0,N)if(!(mask&(1<<i)))maskinv |= (1<<i); for(int newmask = maskinv; newmask; newmask=(newmask-1)&maskinv){ int can = chido[newmask]; if(can)res = min(res,1+dp(newmask|mask)); } return res; } int main(){ ios_base::sync_with_stdio(0); cin.tie(0); forn(i,0,(1<<maxn))memo[i] = -1; cin >> N >> M; forn(i,0,M){ int u,v; cin >> u >> v; u--; v--; seen[u][v] = seen[v][u] = 1; } forn(i,0,(1<<N)){ vi act; forn(j,0,N)if(i&(1<<j))act.pb(j); int can = 1; forn(j,0,(int)act.size()){ forn(k,j+1,(int)act.size()){ int u = act[j]; int v = act[k]; if(seen[u][v] || seen[v][u])continue; can = 0; } } chido[i] = can; } int res = dp(0); cout << res << '\n'; return 0; } /* __builtin_mul_overflow(x,y,&x) -fsplit-stack */
#include <bits/stdc++.h> #define rep(i, n) for (int i=0; i<n; i++) using namespace std; using ll = long long; using P = pair<int, int>; int main() { int H, W, N, M; cin >> H >> W >> N >> M; int mat[H][W]; rep(i, H) rep(j, W) { mat[i][j] = 0; } vector<P> light; rep(i, N) { int p1, p2; cin >> p1 >> p2; light.push_back((P){p1-1, p2-1}); } rep(i, M) { int p1, p2; cin >> p1 >> p2; mat[p1-1][p2-1] = -1; } int count = 0; for(auto p : light) { if(mat[p.first][p.second] == 0) { count++; mat[p.first][p.second] = 1; int i = 1; while(p.first+i < H && mat[p.first+i][p.second] != -1) { mat[p.first+i][p.second] = 1; count++; i++; } i = 1; while(p.first-i >= 0 && mat[p.first-i][p.second] != -1) { mat[p.first-i][p.second] = 1; count++; i++; } } } for(auto p : light) { if(mat[p.first][p.second] == 2) continue; int i = 1; while(p.second+i < W && mat[p.first][p.second+i] != -1) { if(mat[p.first][p.second+i] == 0) count++; mat[p.first][p.second+i] = 2; i++; } i = 1; while(p.second-i >= 0 && mat[p.first][p.second-i] != -1) { if(mat[p.first][p.second-i] == 0) count++; mat[p.first][p.second-i] = 2; i++; } } cout << count << endl; }
#pragma GCC optimize("O2") #pragma GCC target("avx") #include <cstdio> #include <functional> #include <queue> #include <tuple> #include <vector> using namespace std; using ll = long long; #define shift 30 inline int get_digit() { int x = 0, f = 1; char c = getchar(); while(c > '9' || c < '0') { if(c == '-') f = -1; c = getchar(); } while(c >= '0' && c <= '9') { x = (x * 10) + (c ^ 48); c = getchar(); } return x * f; } int main() { int R = get_digit(), C = get_digit(); int A[250000], B[250000]; int dist[500000], cost, pt, to_hide = R * C; vector<ll> s; s.reserve(2 * R * C); priority_queue<ll, vector<ll>, greater<ll>> queue(s.begin(), s.end()); for(int i = 0; i < R * C; ++i) { if(i % C != C - 1) A[i] = get_digit(); dist[i] = 0; } for(int i = 0; i < (R - 1) * C; ++i) B[i] = get_digit(); dist[0] = -10000000; queue.push((ll)(-10000000) << shift); while(queue.size()) { pt = queue.top() & ((1 << shift) - 1); if(pt == to_hide - 1) break; cost = queue.top() >> shift; queue.pop(); if(pt < to_hide) { if(pt % C != C - 1 & cost + A[pt] < dist[pt + 1]) { dist[pt + 1] = cost + A[pt]; queue.push(((ll)dist[pt + 1] << shift) | (pt + 1)); } if(pt % C != 0 & cost + A[pt - 1] < dist[pt - 1]) { dist[pt - 1] = cost + A[pt - 1]; queue.push(((ll)dist[pt - 1] << shift) | (pt - 1)); } if(pt < to_hide - C & cost + B[pt] < dist[pt + C]) { dist[pt + C] = cost + B[pt]; queue.push(((ll)dist[pt + C] << shift) | (pt + C)); } if(cost + 1 < dist[pt + to_hide]) { dist[pt + to_hide] = cost + 1; queue.push(((ll)dist[pt + to_hide] << shift) | (pt + to_hide)); } } else { if(to_hide < pt - C && cost + 1 < dist[pt - C]) { dist[pt - C] = cost + 1; queue.push(((ll)(cost + 1) << shift) | (pt - C)); } if(cost < dist[pt - to_hide]) { dist[pt - to_hide] = cost; queue.push(((ll)cost << shift) | (pt - to_hide)); } } } printf("%d\n", dist[to_hide - 1] - dist[0]); }
#include<bits/stdc++.h> using namespace std; #define fi first #define se second #define mkp make_pair #define pb push_back #define sz(v) (int)(v).size() typedef long long LL; typedef double db; template<class T>bool ckmax(T&x,T y){return x<y?x=y,1:0;} template<class T>bool ckmin(T&x,T y){return x>y?x=y,1:0;} #define rep(i,x,y) for(int i=x,i##end=y;i<=i##end;++i) #define per(i,x,y) for(int i=x,i##end=y;i>=i##end;--i) inline int read(){ int x=0,f=1;char ch=getchar(); while(!isdigit(ch)){if(ch=='-')f=0;ch=getchar();} while(isdigit(ch))x=x*10+ch-'0',ch=getchar(); return f?x:-x; } const int V = 1005; const int N = 500005; const int M = 12 * V * V; struct edge { int nx, to, vl; } e[M]; int hed[N], et; inline void adde(int u, int v, int d) { // cerr << u << ' ' << v << ' ' << d << '\n'; e[++et].nx = hed[u], e[et].to = v, e[et].vl = d, hed[u] = et; } int n, m, a[V][V], b[V][V], dis[N]; bool vis[N]; inline int id(int x, int y) { return (x - 1) * m + y; } inline void Dij() { priority_queue<pair<int, int> >pq; memset(dis, 0x3f, sizeof dis); pq.push(mkp(dis[1] = 0, 1)); while(!pq.empty()) { int u = pq.top().se; pq.pop(); if(vis[u]) continue; vis[u] = 1; for(int i = hed[u]; i; i = e[i].nx) { int v = e[i].to; if(ckmin(dis[v], dis[u] + e[i].vl)) { pq.push(mkp(-dis[v], v)); } } } } signed main() { n = read(), m = read(); rep(i, 1, n) rep(j, 1, m - 1) a[i][j] = read(); rep(i, 1, n - 1) rep(j, 1, m) b[i][j] = read(); rep(i, 1, n) { rep(j, 1, m - 1) { adde(id(i, j), id(i, j + 1), a[i][j]); } rep(j, 2, m) { adde(id(i, j), id(i, j - 1), a[i][j - 1]); } if(i < n) { rep(j, 1, m) adde(id(i, j), id(i + 1, j), b[i][j]); } rep(j, 1, m) { adde(id(i, j), id(i, j) + n * m, 1); adde(id(i, j) + n * m, id(i, j), 0); if(i > 1) adde(id(i, j) + n * m, id(i - 1, j) + n * m, 1); } } Dij(); cout << dis[id(n, m)] << '\n'; }
#include <bits/stdc++.h> //#include <atcoder/all> using namespace std; //using namespace atcoder; template<typename T> using ve=vector<T>; using ll=long long; using ld=long double; using str=string; using pint=pair<ll,ll>; using vll=ve<ll>; using vd=ve<ld>; using vs=ve<str>; using vll2=ve<ve<ll>>; #define whole(f,x,...) ([&](decltype((x)) whole) { return (f)(begin(whole), end(whole), ## __VA_ARGS__); })(x) #define b2e(v) v.begin(),v.end() #define p2a(v, p) v[p.first][p.second] #define rep(i,n) for(ll i=0;i<(n);i++) #define repi(i,n) for(ll i=(n-1);i>=0;i--) #define repe(e,v) for(auto e:v) const int INF=0x3f3f3f3f; const ll INFL=0x3f3f3f3f3f3f3f3f; const int MOD=1000000007; //const int MOD=998244353; ll divceil (ll x, ll div) { return (x/div) + (x%div>0); } ll divfloor(ll x, ll div) { return (x/div) - (x%div<0); } int main() { ll kn; cin >> kn; ll nn; cin >> nn; ll mn; cin >> mn; vll a1(kn); rep(i,kn) { ll x; cin >> x; a1[i]=x; } // 1. 剰余なしの値を設定B=(floor(MA/N)) ll ct=0; vll b1(kn); ve<ld> lb1(kn, 0); rep(i,kn) { b1[i] =divfloor(mn*a1[i],nn); if(a1[i]) lb1[i] =(ld)(mn*a1[i])/(ld)nn; ct+=b1[i]; } // 2. 誤差とidxのpairの配列を作成(floorなしB-B) vector<pair<ld,ll>> vp1; rep(i,kn) { vp1.push_back({lb1[i]-(ld)b1[i],i}); } // 3. 配列を誤差で降順ソート sort( vp1.begin(), vp1.end(), greater<pair<ld,ll>>() ); // 4. 剰余分を更新 rep(i,mn-ct) { b1[vp1[i].second]++; } rep(i,kn) { cout << b1[i] << " "; } cout << endl; }
#include<iostream> #include<cstring> using namespace std; int a,b; int x[100010]; int main() { cin>>a>>b; if(a==b) { for(int i=1;i<=a;i++) x[i]=i; for(int i=1+a;i<=a+b;i++) x[i]=-(i-a); }else if(a>b) { for(int i=1;i<=a;i++) x[i]=i; for(int i=1+a;i<=a+b-1;i++) x[i]=-(i-a); int sum=0; for(int i=b;i<=a;i++) { sum+=-x[i]; } x[a+b]=sum; }else if(a<b) { for(int i=1;i<=b;i++) x[i]=-i; for(int i=1+b;i<=a+b-1;i++) x[i]=(i-b); int sum=0; for(int i=a;i<=b;i++) { sum+=x[i]; } x[a+b]=-sum; } for(int i=1;i<=a+b;i++) cout<<x[i]<<" "; return 0; }
/*ver 7*/ #include <bits/stdc++.h> using namespace std; void init() {cin.tie(0);ios::sync_with_stdio(false);cout << fixed << setprecision(15);} using ll = long long; using ld = long double; using vl = vector<ll>; using vd = vector<ld>; using vs = vector<string>; using vb = vector<bool>; using vvl = vector<vector<ll>>; using vvd = vector<vector<ld>>; using vvs = vector<vector<string>>; using vvb = vector<vector<bool>>; using pll = pair<ll,ll>; using mll = map<ll,ll>; template<class T> using V = vector<T>; template<class T> using VV = vector<vector<T>>; #define each(x,v) for(auto& x : v) #define reps(i,a,b) for(ll i=(ll)a;i<(ll)b;i++) #define rep(i,n) for(ll i=0;i<(ll)n;i++) #define pb push_back #define eb emplace_back #define fi first #define se second #define mp make_pair const ll INF = 1LL << 60; #define CLR(mat,f) memset(mat, f, sizeof(mat)) #define IN(a, b, x) (a<=x&&x<=b) #define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() ) //被り削除 #define debug cout << "line : " << __LINE__ << " debug" << endl; #define ini(...) int __VA_ARGS__; in(__VA_ARGS__) #define inl(...) long long __VA_ARGS__; in(__VA_ARGS__) #define ind(...) long double __VA_ARGS__; in(__VA_ARGS__) #define ins(...) string __VA_ARGS__; in(__VA_ARGS__) #define inc(...) char __VA_ARGS__; in(__VA_ARGS__) void in(){} template <typename T,class... U> void in(T &t,U &...u){ cin >> t; in(u...);} template <typename T> void in1(T &s) {rep(i,s.size()){in(s[i]);}} template <typename T> void in2(T &s,T &t) {rep(i,s.size()){in(s[i],t[i]);}} template <typename T> void in3(T &s,T &t,T &u) {rep(i,s.size()){in(s[i],t[i],u[i]);}} template <typename T> void in4(T &s,T &t,T &u,T &v) {rep(i,s.size()){in(s[i],t[i],u[i],v[i]);}} template <typename T> void in5(T &s,T &t,T &u,T &v,T &w) {rep(i,s.size()){in(s[i],t[i],u[i],v[i],w[i]);}} void out(){cout << endl;} template <typename T,class... U> void out(const T &t,const U &...u){cout << t; if(sizeof...(u)) cout << " "; out(u...);} void die(){cout << endl;exit(0);} template <typename T,class... U> void die(const T &t,const U &...u){cout << t; if(sizeof...(u)) cout << " "; die(u...);} template <typename T> void outv(T s) {rep(i,s.size()){if(i!=0)cout<<" ";cout<<s[i];}cout<<endl;} template <typename T> void out1(T s) {rep(i,s.size()){out(s[i]);}} template <typename T> void out2(T s,T t) {rep(i,s.size()){out(s[i],t[i]);}} template <typename T> void out3(T s,T t,T u) {rep(i,s.size()){out(s[i],t[i],u[i]);}} template <typename T> void out4(T s,T t,T u,T v) {rep(i,s.size()){out(s[i],t[i],u[i],v[i]);}} template <typename T> void out5(T s,T t,T u,T v,T w) {rep(i,s.size()){out(s[i],t[i],u[i],v[i],w[i]);}} #define all(v) (v).begin(),(v).end() #define rall(v) (v).rbegin(),(v).rend() template <typename T> T allSum(vector<T> a){T ans=T();each(it,a)ans+=it;return ans;} ll ceilDiv(ll a,ll b) {return (a+b-1)/b;} ld dist(pair<ld,ld> a, pair<ld,ld> b){return sqrt(abs(a.fi-b.fi)*abs(a.fi-b.fi)+abs(a.se-b.se)*abs(a.se-b.se));} // 2点間の距離 ll gcd(ll a, ll b) { return b != 0 ? gcd(b, a % b) : a; } ll lcm(ll a,ll b){ return a / gcd(a,b) * b;} template <class A, class B> inline bool chmax(A &a, const B &b) { return b > a && (a = b, true); } template <class A, class B> inline bool chmin(A &a, const B &b) { return b < a && (a = b, true); } #define YES(n) ((n) ? "YES" : "NO" ) #define Yes(n) ((n) ? "Yes" : "No" ) #define yes(n) ((n) ? "yes" : "no" ) int main(){ init(); inl(a,b); out(100-(double)b/a*100); return 0; }
#pragma GCC optimize ("O2") #pragma GCC target ("avx") #include<bits/stdc++.h> //#include<atcoder/all> //using namespace atcoder; using namespace std; typedef long long ll; #define rep(i, n) for(int i = 0; i < (n); i++) #define rep1(i, n) for(int i = 1; i <= (n); i++) #define co(x) cout << (x) << "\n" #define cosp(x) cout << (x) << " " #define ce(x) cerr << (x) << "\n" #define cesp(x) cerr << (x) << " " #define pb push_back #define mp make_pair #define chmin(x, y) x = min(x, y) #define chmax(x, y) x = max(x, y) #define Would #define you #define please int main() { cin.tie(0); ios::sync_with_stdio(false); ll F[140]; F[0] = 1; F[1] = 1; rep(i, 130) { F[i + 2] = F[i] + F[i + 1]; } rep(i, 130) { cesp(i); ce(F[i]); } ll N; cin >> N; int f[100] = {}, saisho = 0; for (int i = 90; i >= 0; i--) { if (N >= F[i]) { f[i] = 1; N -= F[i]; if (saisho == 0) saisho = i; } } vector<int> kotae; for (int i = saisho; i >= 1; i--) { if (f[i]) kotae.pb(1 + (i % 2)); kotae.pb(4 - (i % 2)); } co(kotae.size()); rep(i, kotae.size()) co(kotae[i]); Would you please return 0; }
#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math") #include <bits/stdc++.h> using namespace std; template<class t> inline t read(t &x){ char c=getchar();bool f=0;x=0; while(!isdigit(c)) f|=c=='-',c=getchar(); while(isdigit(c)) x=(x<<1)+(x<<3)+(c^48),c=getchar(); if(f) x=-x;return x; } template<class t,class ...A> inline void read(t &x,A &...a){ read(x);read(a...); } template<class t> inline void write(t x){ if(x<0) putchar('-'),write(-x); else{if(x>9) write(x/10);putchar('0'+x%10);} } const int N=1e5+5; int n,m,tp[N],a[N],b[N]; long long ans; void GG(){ write(-1); exit(0); } signed main(){ read(n,m); for(int i=1;i<=n;i++) read(tp[i]),a[i]=tp[i]-tp[i-1]-1;a[n+1]=m-tp[n]; for(int i=1;i<=n;i++) read(tp[i]),b[i]=tp[i]-tp[i-1]-1;b[n+1]=m-tp[n];n++; for(int i=1,j=1;i<=n;i++) if(b[i]){ while(!a[j]) j++; int cur=0,l=j; while(j<=n&&cur<b[i]) cur+=a[j++]; if(cur>b[i]) GG(); ans+=max(i-l,0)+max(j-1-i,0); } write(ans); }
#include <bits/stdc++.h> using namespace std; using int64 = long long; const int mod = 998244353; const int64 infll = (1LL << 62) - 1; const int inf = (1 << 30) - 1; struct IoSetup { IoSetup() { cin.tie(nullptr); ios::sync_with_stdio(false); cout << fixed << setprecision(10); cerr << fixed << setprecision(10); } } iosetup; template<typename T1, typename T2> ostream &operator<<(ostream &os, const pair<T1, T2> &p) { os << p.first << " " << p.second; return os; } template<typename T1, typename T2> istream &operator>>(istream &is, pair<T1, T2> &p) { is >> p.first >> p.second; return is; } template<typename T> ostream &operator<<(ostream &os, const vector<T> &v) { for (int i = 0; i < (int) v.size(); i++) { os << v[i] << (i + 1 != v.size() ? " " : ""); } return os; } template<typename T> istream &operator>>(istream &is, vector<T> &v) { for (T &in : v) is >> in; return is; } template<typename T1, typename T2> inline bool chmax(T1 &a, T2 b) { return a < b && (a = b, true); } template<typename T1, typename T2> inline bool chmin(T1 &a, T2 b) { return a > b && (a = b, true); } template<typename T = int64> vector<T> make_v(size_t a) { return vector<T>(a); } template<typename T, typename... Ts> auto make_v(size_t a, Ts... ts) { return vector<decltype(make_v<T>(ts...))>(a, make_v<T>(ts...)); } template<typename T, typename V> typename enable_if<is_class<T>::value == 0>::type fill_v(T &t, const V &v) { t = v; } template<typename T, typename V> typename enable_if<is_class<T>::value != 0>::type fill_v(T &t, const V &v) { for (auto &e : t) fill_v(e, v); } template<typename F> struct FixPoint : F { FixPoint(F &&f) : F(forward<F>(f)) {} template<typename... Args> decltype(auto) operator()(Args &&... args) const { return F::operator()(*this, forward<Args>(args)...); } }; template<typename F> inline decltype(auto) MFP(F &&f) { return FixPoint<F>{forward<F>(f)}; } int main() { int N, L; cin >> N >> L; vector< int > A(N + 2), B(N + 2); for(int i = 1; i <= N; i++) cin >> A[i]; for(int i = 1; i <= N; i++) cin >> B[i]; A[N + 1] = L + 1; B[N + 1] = L + 1; for(int i = 0; i < N + 2; i++) A[i] -= i; for(int i = 0; i < N + 2; i++) B[i] -= i; map< int, int > ls, rs; for(int i = 0, j; i < N + 2; i = j) { for(j = i; j < N + 2 and A[i] == A[j]; j++) ; ls[A[i]] = i; rs[A[i]] = j; } int64 ret = 0; for(int i = 0, j; i < N + 2; i = j) { for(j = i; j < N + 2 and B[i] == B[j]; j++) ; if(!ls.count(B[i])) { cout << -1 << endl; exit(0); } ret += max(ls[B[i]] - i, 0); ret += max(j - rs[B[i]], 0); } cout << ret << endl; }
/* "An anomaly, I'm Muhammad Ali Cause I know one day I'm gonna be the" - Greatest, Eminem */ #pragma GCC optimize ("O3") #pragma GCC target ("sse4") #include<bits/stdc++.h> #include<ext/pb_ds/assoc_container.hpp> #include<ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; typedef long long int ll; #define ff first #define Shazam ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define ss second #define all(c) c.begin(),c.end() #define endl "\n" #define test() int t; cin>>t; while(t--) #define fl(i,a,b) for(int i = a ; i <b ;i++) #define get(a) fl(i,0,a.size()) cin>>a[i]; #define pra(a) fl(i,0,a.size()) cout<<a[i]<<" "; cout<<endl; #define pr(a,n) fl(i,0,n) cout<<a[i]<<" "; cout<<endl; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; const ll INF = 2e18; const int inf = 2e9; const int mod1 = 1e9 + 7; int main(){ Shazam; long double a, b; cin >> a >> b; cout << fixed << setprecision(10) << a * b / 100.0 << endl; return 0; }
//#define _GLIBCXX_DEBUG //#include "atcoder/all" //using namespace atcoder; #include <bits/stdc++.h> #define int long long #define ll long long using ull = unsigned long long; using namespace std; #define Dump(x) \ if (dbg) { \ cerr << #x << " = " << (x) << endl; \ } #define overload4(_1, _2, _3, _4, name, ...) name #define FOR1(n) for (ll i = 0; i < (n); ++i) #define FOR2(i, n) for (ll i = 0; i < (n); ++i) #define FOR3(i, a, b) for (ll i = (a); i < (b); ++i) #define FOR4(i, a, b, c) for (ll i = (a); i < (b); i += (c)) #define FOR(...) overload4(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__) #define FORR(i, a, b) for (int i = (a); i <= (b); ++i) #define bit(n, k) (((n) >> (k)) & 1) /*nのk bit目*/ namespace mydef { const int INF = 1ll << 60; const int MOD = 1e9 + 7; template <class T> bool chmin(T& a, const T& b) { if (a > b) { a = b; return 1; } else return 0; } template <class T> bool chmax(T& a, const T& b) { if (a < b) { a = b; return 1; } else return 0; } void Yes(bool flag = true) { if (flag) cout << "Yes" << endl; else cout << "No" << endl; } void No(bool flag = true) { Yes(!flag); } void YES(bool flag = true) { if (flag) cout << "YES" << endl; else cout << "NO" << endl; } void NO(bool flag = true) { YES(!flag); } template <typename A, size_t N, typename T> void Fill(A (&array)[N], const T& val) { std::fill((T*)array, (T*)(array + N), val); } bool dbg = true; } // namespace mydef using namespace mydef; #define pb push_back //#define mp make_pair #define eb emplace_back #define lb lower_bound #define ub upper_bound #define all(v) (v).begin(), (v).end() #define SZ(x) ((int)(x).size()) #define vi vector<int> #define vvi vector<vector<int>> #define vp vector<pair<int, int>> #define vvp vector<vector<pair<int, int>>> #define pi pair<int, int> //#define P pair<int, int> //#define V vector<int> //#define S set<int> #define asn ans string S; void solve() { } signed main() { cin.tie(nullptr); ios::sync_with_stdio(false); cin >> S; int cnt[3] = {}; for (auto& c : S) cnt[(c - '0') % 3]++; int SUM = cnt[1] + cnt[2] * 2; int ans = 0; if (SUM % 3 == 0) { ans = 0; } else if (SUM % 3 == 1) { if (cnt[1]) ans = 1; else if (cnt[2] >= 2) ans = 2; else ans = -1; } else { if (cnt[2]) ans = 1; else if (cnt[1] >= 2) ans = 2; else ans = -1; } if (ans == cnt[1] + cnt[2] + cnt[0]) ans = -1; cout << ans << endl; solve(); return 0; }
// atcoder/arc106/B/main.cpp // author: @___Johniel // github: https://github.com/johniel/ #include <bits/stdc++.h> #define each(i, c) for (auto& i : c) #define unless(cond) if (!(cond)) using namespace std; template<typename P, typename Q> ostream& operator << (ostream& os, pair<P, Q> p) { os << "(" << p.first << "," << p.second << ")"; return os; } template<typename P, typename Q> istream& operator >> (istream& is, pair<P, Q>& p) { is >> p.first >> p.second; return is; } template<typename T> ostream& operator << (ostream& os, vector<T> v) { os << "("; for (auto& i: v) os << i << ","; os << ")"; return os; } template<typename T> istream& operator >> (istream& is, vector<T>& v) { for (auto& i: v) is >> i; return is; } template<typename T> ostream& operator << (ostream& os, set<T> s) { os << "#{"; for (auto& i: s) os << i << ","; os << "}"; return os; } template<typename K, typename V> ostream& operator << (ostream& os, map<K, V> m) { os << "{"; for (auto& i: m) os << i << ","; os << "}"; return os; } template<typename T> inline T setmax(T& a, T b) { return a = std::max(a, b); } template<typename T> inline T setmin(T& a, T b) { return a = std::min(a, b); } using lli = long long int; using ull = unsigned long long; using point = complex<double>; using str = string; template<typename T> using vec = vector<T>; constexpr array<int, 8> di({0, 1, -1, 0, 1, -1, 1, -1}); constexpr array<int, 8> dj({1, 0, 0, -1, 1, -1, -1, 1}); constexpr lli mod = 1e9 + 7; class UnionFind { public: UnionFind(int n) { r.resize(n, 0); p.resize(n, -1); } void unite(int a, int b) { a = find(a); b = find(b); if (a == b) return ; if (r[a] > r[b]) { p[a] += p[b]; p[b] = a; } else { p[b] += p[a]; p[a] = b; if(r[a] == r[b]) r[b]++; } return ; } int find(int a) { return (p[a] < 0) ? a : p[a] = find(p[a]); } bool same(int a, int b) { return find(a) == find(b); } size_t size(int n) { return -p.at(find(n)); } private: vector<int> r, p; }; int main(int argc, char *argv[]) { ios_base::sync_with_stdio(0); cin.tie(0); cout.setf(ios_base::fixed); cout.precision(15); int n, m; while (cin >> n >> m) { vec<lli> a(n); vec<lli> b(n); cin >> a >> b; UnionFind uf(n); for (int i = 0; i < m; ++i) { int x, y; cin >> x >> y; --x; --y; uf.unite(x, y); } for (int i = 0; i < n; ++i) { uf.find(i); } map<int, lli> sum_a, sum_b; for (int i = 0; i < n; ++i) { sum_a[uf.find(i)] += a[i]; sum_b[uf.find(i)] += b[i]; } bool f = true; for (int i = 0; i < n; ++i) { f = f && (sum_a[i] == sum_b[i]); } cout << (f ? "Yes" : "No") << endl; } return 0; }
#include <bits/stdc++.h> using namespace std; #define endl '\n' #define int long long int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); int n, m; cin >> n >> m; vector<int> initial(n), final(n); for(int &i : initial) cin >> i; for(int &i : final) cin >> i; vector< vector<int> > adj(n); for(int i = 0; i < m; i ++) { int u, v; cin >> u >> v; u --, v --; adj[u].push_back(v); adj[v].push_back(u); } vector<int> vis(n, false); function<int (int)> dfs = [&] (int u) { vis[u] = true; int diff = final[u] - initial[u]; for(int v : adj[u]) { if(!vis[v]) diff += dfs(v); } return diff; }; bool ok = true; for(int i = 0; i < n; i ++) { if(!vis[i]) { ok &= (!dfs(i)); } } if(ok) cout << "Yes" << endl; else cout << "No" << endl; return 0; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) #define rep2(i, a, b) for (int i = (a); i < (b); ++i) #define all(a) (a).begin(), (a).end() using namespace std; using ll = int64_t; using P = pair<int, int>; const ll INF_L = 1LL << 60; const int INF_I = 1 << 30; const int MOD = (int)1e9 + 7; const double PI = acos(-1); int dx[] = {1, 0, -1, 0}; int dy[] = {0, -1, 0, 1}; int main() { int n; cin >> n; complex<double> a, b; double x, y; cin >> x >> y; a = {x, y}; cin >> x >> y; b = {x, y}; auto m = (a + b) / 2.0; auto r = m + (a - m) * polar(1.0, PI * 2.0 / n); printf("%.10f\n%.10f", r.real(), r.imag()); return 0; }
#include <iostream> #include <string> #include <algorithm> #include <utility> #include <iomanip> #include <functional> #include <queue> #include <stack> #include <map> #include <set> #include <vector> #include <cmath> #include <cctype> #include <cstdio> #include <bitset> #include <complex> #define ll long long #define INF 1000000000000000001 #define MOD 1000000007 #define MOD2 998244353 const double PI = 3.14159265359; using namespace std; int main(){ int N; cin >> N; double x0,y0, x2,y2; cin >> x0 >> y0 >> x2 >> y2; double xc = (x0+x2)/2; double yc = (y0+y2)/2; double theta = (2*PI)/N; double xd = x0-xc; double yd = y0-yc; double x1, y1; x1 = xd*cos(theta) - yd*sin(theta); y1 = xd*sin(theta) + yd*cos(theta); x1 += xc; y1 += yc; cout << fixed << setprecision(10) << x1 << " " << y1; return 0; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #define endl "\n" #define pb push_back #define fi first #define se second #define sz(x) (int)x.size() #define all(x) begin(x), end(x) #define rall(x) (x).rbegin(), (x).rend() #define rsz resize #define ins insert #define pqueue priority_queue #define ar array #define vt vector #define for_base(i, a, b, x) for (int i=((a)<(b))?(a):(a)-1; ((a)<(b))?i<(b):i>=(b); ((a)<(b))?i+=(x):i-=(x)) #define FOR1(a) for_base(i, 0, a, 1) #define FOR2(i, a) for_base(i, 0, a, 1) #define FOR3(i, a, b) for_base(i, a, b, 1) #define FOR4(i, a, b, x) for_base(i, a, b, x) #define FIFTH(a, b, c, d, e, ...) e #define FOR(...) FIFTH(__VA_ARGS__, FOR4, FOR3, FOR2, FOR1)(__VA_ARGS__) #define trav(a, x) for (auto& a: x) #define FIT(i, x) for (auto i=(x).begin(); i!=(x).end(); ++i) #define RIT(i, x) for (auto i=(x).rbegin(); i!=(x).rend(); ++i) #define finish(...) return void(print(__VA_ARGS__)) typedef long long ll; typedef long double ld; typedef string str; template<class T> using mqueue = pqueue<T, vector<T>, greater<T>>; template<class T> using oset = tree<T, null_type, less<T>, rb_tree_tag, tree_order_statistics_node_update>; template<class T> bool umin(T& a, const T& b) { return b < a ? a = b, 1 : 0; } template<class T> bool umax(T& a, const T& b) { return a < b ? a = b, 1 : 0; } template<class T> void read(T& x) { cin >> x; } template<class H, class T> void read(pair<H, T>& p) { cin >> p.f >> p.s; } template<class A, size_t S> void read(array<A, S>& x) { trav(a, x) read(a); } template<class T> void read(vector<T>& v) { trav(i, v) read(i); } template<class H, class... T> void read(H& h, T&... t) { read(h); read(t...); } template<class H, class T> ostream &operator<<(ostream &o, pair<H, T> &p) { o << p.fi << " " << p.se; return o; } template<class H, class T> ostream &operator<<(ostream &o, vector<pair<H, T>> &v) { string s; trav(i, v) o << s << i, s = "\n"; return o; } template<class T, size_t S> ostream &operator<<(ostream &o, array<T, S> &a) { string s; trav(i, a) o << s << i, s = " "; return o; } template<class T, size_t S> ostream &operator<<(ostream &o, vector<array<T, S>> &v) { string s; trav(i, v) o << s << i, s = "\n"; return o; } template<class T> ostream &operator<<(ostream &o, vector<T> &v) { string s; trav(i, v) o << s << i, s = " "; return o; } template<class T> ostream &operator<<(ostream &o, vector<vector<T>> &v) { string s; trav(i, v) o << s << i, s = "\n"; return o; } template<class T> void write(T x) { cout << x; } template<class H, class... T> void write(const H &h, const T &...t) { write(h); write(t...); } void print() { write('\n'); } template<class H, class... T> void print(const H &h, const T &...t) { write(h); if (sizeof...(t)) write(' '); print(t...); } void DBG() { cerr << "]" << endl; } template<class H, class... T> void DBG(H h, T... t) { cerr << h; if(sizeof...(t)) cerr << ", "; DBG(t...); } #ifdef local #define dbg(...) cerr << "LINE(" << __LINE__ << ") -> [" << #__VA_ARGS__ << "]: [", DBG(__VA_ARGS__) #else #define dbg(...) 0 #endif const int mod = 1e9 + 7; const int dx[4] = {-1, 1, 0, 0}, dy[4] = {0, 0, -1, 1}; void solve() { ll n; read(n); set<ll> ans; for(ll i=1; i*i<=n; ++i) { if(n%i==0) { ans.ins(i); ans.ins(n/i); } } trav(x, ans) print(x); } int main() { ios_base::sync_with_stdio(0); cin.tie(0); int T = 1; /* read(T); */ for(int tc=1; tc<=T; ++tc) { /* write("Case #", tc, ": "); */ solve(); } return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for (long long i = 0; i < (n); i++) using ll = long long; int main() { ll n; cin >> n; vector<ll> a(n); rep(i, n) cin >> a[i]; vector<ll> cnt(405); rep(i, n) { cnt[a[i]+200]++; } ll ans = 0; for (int i = -200; i <= 200; i++) { for (int j = i + 1; j <= 200; j++) { ans += cnt[i + 200] * cnt[j + 200] * (i - j) * (i - j); } } cout << ans << endl; }
#line 1 "main.cpp" #include <iostream> #include <algorithm> #include <numeric> #include <vector> using namespace std; void solve() { int n; cin >> n; vector<int> xs(n), ys(n), ps(n); for (auto& x : xs) cin >> x; for (auto& y : ys) cin >> y; for (auto& p : ps) { cin >> p; --p; } vector<int> prev(n); for (int i = 0; i < n; ++i) prev[ps[i]] = i; vector<int> is(n); iota(is.begin(), is.end(), 0); sort(is.begin(), is.end(), [&](auto i, auto j) { return xs[i] < xs[j]; }); vector<pair<int, int>> ans; for (auto i : is) { if (ps[i] == i) continue; if (ys[ps[i]] >= xs[i]) { cout << "-1\n"; return; } int j = prev[i]; ans.emplace_back(i, j); swap(prev[ps[i]], prev[ps[j]]); swap(ps[i], ps[j]); } cout << ans.size() << "\n"; for (auto [i, j] : ans) { cout << i + 1 << " " << j + 1 << "\n"; } } int main() { cin.tie(nullptr); ios::sync_with_stdio(false); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; template<typename T> void out(T x) { cout << x << endl; exit(0); } #define watch(x) cout << (#x) << " is " << (x) << endl using ll = long long; const int maxn = 1e6 + 5; struct bit { vector<ll> a; int n; void init(int _n) { n = _n; a.resize(n+10); } void upd(int i, ll dx) { for (; i<=n; i+=i&-i) { a[i] += dx; } } ll qry(int i) { ll res = 0; for (; i; i-=i&-i) { res += a[i]; } return res; } }; ll invs(vector<int> a) { int n = a.size(); ll res = 0; bit bit; bit.init(n); for (int i=n-1; i>=0; i--) { res += bit.qry(a[i]); bit.upd(a[i],+1); } return res; } vector<int> rand_perm(int n, int index=1) { assert(n>=1); mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); vector<int> a(n); iota(a.begin(), a.end(), index); shuffle(a.begin(), a.end(), rng); return a; } // needs to be 1 cycle, with n-1 inversions bool check(vector<int> a) { int n = a.size(); if (invs(a) != n-1) return false; for (int i=0; i<n; i++) { a[i] --; } vector<int> viz(n,0); int len = 0; int at = 0; while (!viz[at]) { len++; viz[at]=1; at=a[at]; } return len==n; } int main() { ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); /*auto p = rand_perm(10); while (!check(p)) { p = rand_perm(10); } for (int x: p) cout<<x<<" "; cout<<endl;*/ int n; cin>>n; vector<int> a(n); for (int i=0; i<n; i++) { cin>>a[i]; } if (!check(a)) out(-1); for (int i=0; i<n; i++) { a[i] --; } vector<int> ans; for (int i=0; i<n; i++) { if (i>a[i]) { for (int j=i-1; j>=a[i]; j--) { ans.push_back(j); } } } assert(int(ans.size()) == n-1); for (int i: ans) { cout<<i+1<<"\n"; swap(a[i],a[i+1]); } assert(is_sorted(a.begin(),a.end())); return 0; }
// Hail god Yato #include <bits/stdc++.h> using namespace std; #define hs ios::sync_with_stdio(0); cin.tie(0); cout.tie(0); typedef long long ll; const ll MOD = 1000000007; const ll INF = 1e18; const ll MAX = 100001; // // void solve(){ int n; cin>>n; vector<ll> fst(n), snd(n); for(int i = 0; i < n; i++) cin>>fst[i]; for(int j = 0; j < n; j++) cin>>snd[j]; ll last = 0, mx = 0;; for(int i = 0; i < n; i++){ ll ans = 0; mx = max(mx, fst[i]); ans = mx*snd[i]; if(last < ans) last = ans; cout<<last<<"\n"; } } signed main(){ hs; ll t; t=1; // cin>>t; for (int i=1; i<=t; i++){ //cout<<"Case #"<<i<<": "; solve(); } return 0; }
#include <bits/stdc++.h> using namespace std;using ll=long long;using vi=vector<int>;using vvi=vector<vi>;using vl=vector<ll>;using vb=vector<bool>;using vvb=vector<vb>;using vvl=vector<vl>;using P=pair<int,int>;using PL=pair<ll,ll>;using vp=vector<P>;using vpl=vector<PL>; #define all(v)(v).begin(),(v).end() #define rall(v)(v).rbegin(),(v).rend() // cin and cout of a vector template<class T>class iterable{static false_type c(string v);template<class U>static auto c(U v)->decltype(all(v),true_type());static false_type c(...);public:const static bool value=decltype(c(declval<T>()))::value;}; template<class T,enable_if_t<iterable<T>::value,int> =0>ostream&operator<<(ostream&o,const T&v){for(auto&&i:v)o<<i<<' ';return o;} template<class T>istream&operator>>(istream&i,vector<T>&v){for(T&j:v)i>>j;return i;}template<class T>vector<T>&operator<<(vector<T>&v,const T&t){v.push_back(t);return v;} // for loop #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define rep1(i, n) for (int i = 1; i <= (int)(n); i++) #define repp(i, a, b) for (int i = (int)(a); i < (int)(b); i++) #define revv(i, a, b) for (int i = (int)(b-1); i >= (int)(a); i--) #define rev(i, n) for(int i = (int)(n - 1); i >= 0; i--) #define rev1(i, n) for(int i = (int)(n); i > 0; i--) // #define FOR(i,n,m) for(int i=(int)(n); i<=(int)(m); i++) // #define RFOR(i,n,m) for(int i=(int)(n); i>=(int)(m); i--) // #define ITR(x,c) for(__typeof(c.begin()) x=c.begin();x!=c.end();x++) // #define RITR(x,c) for(__typeof(c.rbegin()) x=c.rbegin();x!=c.rend();x++) // Yes/no #define cho(n,a,b) cout<< ((n)?a:b)<<endl; void YES(int n){cho(n,"YES","NO");}void Yes(int n){cho(n,"Yes","No");}void Poss(int n){cho(n,"Possible","Impossible");} #define pb push_back #define rsortv(v) sort((v).rbegin(), (v).rend()) #define sortv(v) sort((v).begin(), (v).end()) // max/min template<class T, class U>bool chmax(T&a,const U&b){bool x=a<b;x?a=b:b;return x;}template<class T, class U>bool chmin(T&a,const U&b){bool x=a>b;x?a=b:b;return x;} template<class T, class U>auto max(const T&a,const U&b){return a<b?b:a;}template<class T, class U>auto min(const T&a,const U&b){return a<b?a:b;} //======================================== //======================================== //======================================== template<class T>auto minv(const T&a){return *min_element(all(a));} template<class T>auto smod(T a, T b){a %= b; if (a < 0); a+= b; return a;} template<class T>auto maxv(const T&a){return *max_element(all(a));} template<class T>auto sumv(const T&a){ll sum = 0; for(auto x: a) sum+= x; return sum;} template<class T>void pr(const T&a){cout << a << endl;} template<class T>void pr_precise(const T&a){cout.precision(10); cout << fixed << a << endl;} int dx[] = {0, 1, 0, -1}, dy[] = {1, 0, -1, 0}; // ll M = 1000000007; ll M = 998244353; unordered_map <ll, ll> m; int main() { int cases = 1; // cin >> cases; rep(CASE, cases){ ll n; cin >> n; vl A(n); cin >> A; vl B(n); cin >> B; vl C(n); ll mp = 0; ll ma = 0; rep(i, n){ chmax(ma, A[i]); chmax(mp, ma*B[i]); pr(mp); } // pr(A); // pr(B); // pr(C); } return 0; }
#include <bits/stdc++.h> using namespace std; int main(void){ // Your code here! int n,k; cin>>n>>k; int town[n][n]; vector<int> v(n-1); for(int i=0;i<n-1;i++) v[i] = i+1; for(int i=0;i<n;i++){ for(int j=0;j<n;j++){ cin>>town[i][j]; } } int p = 0; int ans = 0; int cnt = 0; do{ for(int n:v){ ans += town[p][n]; p = n; } ans += town[p][0]; if(ans == k) cnt++; ans = 0; p = 0; }while(next_permutation(v.begin(), v.end())); cout<<cnt<<endl; }
#include <bits/stdc++.h> #define st first #define nd second #define PQ priority_queue using ll = long long ; using namespace std; using pii = pair<int,int>; const int N = 3e5 + 10; const int MOD = 0; int a[N]; int main(){ int n, k; scanf("%d %d", &n, &k); for(int i =1; i <= n;i ++){ int x; scanf("%d", &x); a[x] ++; } ll ans = 0; for(int i = 0; i <= n; i++){ k = min(k, a[i]); ans += k; } printf("%lld", ans); }
#include <bits/stdc++.h> using namespace std; #define pb push_back #define eb emplace_back #define mk make_pair #define fi first #define se second #define mset(a, b) memset(a, b, sizeof(a)) #define DBG(x) cout << "[" << #x << "]: " << x << endl using ll = long long; using pii = pair<int, int>; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); #ifdef _WIN32 #define getchar_unlocked _getchar_nolock #endif template<class Ty> Ty randint(Ty a, Ty b) { return uniform_int_distribution<Ty>(a, b)(rng); } template<class num> inline void rd(num& x) { char c, neg = 0; while(isspace(c = getchar_unlocked())); if(!isdigit(c)) neg = (c == '-'), x = 0; else x = c - '0'; while(isdigit(c = getchar_unlocked())) x = (x << 3) + (x << 1) + c - '0'; x = neg ? -x : x; } template <class Ty, class... Args> inline void rd(Ty& x, Args&... args) { rd(x); rd(args...); } const int MAXN = 2e5 + 5, INF = 0x3f3f3f3f; ll get(ll n) { return n * (n + 1) / 2; } int main() { int n; rd(n); ll ans = 0; for (int i = 0; i < n; i++) { ll l, r; rd(l, r); ans += get(r) - get(l-1); } printf("%lld\n", ans); }
#include <iostream> #include <stdio.h> #include <vector> #include <map> #include <stack> #include <cstring> #include <set> #include <utility> #include <iostream> #include <iomanip> #include <list> #include <queue> #include <algorithm> #include <cmath> #include <cctype> //#include <boost/multiprecision/cpp_int.hpp> #include <unordered_set> #include <bitset> #include <cassert> #include <numeric> #include <complex> #define FOR(i,a,b) for (ll i=(a);i<(ll)(b);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) (v).begin(),(v).end() #define SUM(v) accumulate(ALL(v),0ll) using ll = long long; const ll INF=1e24; const ll eps=1; const double pi=3.14159265359; const ll mod=1e9+7; using I32 = int32_t; using I64 = int64_t; using namespace std; //Union Find テンプレ struct UnionFind { vector<int> par , siz; UnionFind(int n) : par(n,-1) , siz(n,1) { } int root(int x) { if(par[x] == -1) return x; else return par[x] = root(par[x]); } bool issame(int x, int y) { return root(x) == root(y); } bool unite(int x, int y) { x = root(x) ; y = root(y); if(x == y) return false; if(siz[x] < siz[y]) swap(x,y); par[y] = x; siz[x] += siz[y]; return true; } int size(int x) { return siz[root(x)]; } }; typedef pair<int,int> P; int func(int a,int b) { if(b==0)return a; return func(b,a%b); } int main() { ll n; cin>>n; ll ans=0; ll a,b; REP(i,n) { cin>>a>>b; ans+=(a+b)*(b-a+1)/2; } cout<<ans<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i = 0 ; i < (n) ; i++) #define rep1(i,n) for(int i = 1 ; i <= (n) ; i++) #define rrep(i,n) for(int i = (n) - 1 ; i >= 0 ; i--) #define rrep1(i,n) for(int i = (n) ; i > 0 ; i--) #define MOD 1000000007 using ll = int64_t; using P = pair<int, int>; using PL = pair<ll,ll>; using PD = pair<double,double>; using ld = long double; using vi = vector<int>; using vvi = vector<vector<int>>; using vl = vector<ll>; using vvl = vector<vector<ll>>; using vP = vector<P>; using p_q = priority_queue<int, vi, greater<int>>; const int INF = 1001001001; const ll LINF = (1ll<<62) + ((1ll<<62)-1); #define v(n) vector<n> #define vv(n) vector<vector<n>> #define vvv(n) vector<vector<vector<n>>> #define p_q(n) priority_queue<(n), v(n), greater<n>> #define line cout << "================================" << endl; #define Yn(x) ((x) ? "Yes" : "No") #define yn(x) ((x) ? "yes" : "no") #define mmax(a,b) a = max(a,b) #define mmin(a,b) a = min(a,b) #define debug(x) cout << #x" : " << (x) << endl; #define output(x) cout << (x) << endl; #define outs(x) cout << #x << endl; #define mod(n) %(n) #define all(a) (a).begin(),(a).end() #define rall(a) (a).rbegin(),(a).rend() template <typename T> void chmin(T& a, T b){if(a>b)a=b;} template <typename T> void chmax(T& a, T b){if(a<b)a=b;} class alucrex{ public: void vin(vi& a){rep(i,a.size())cin>>a[i];} void vin1(vi& a){rep1(i,a.size())cin>>a[i];} void vvin(vvi& a){rep(i,a.size())rep(j,a[i].size())cin>>a[i][j];} void vvdes(vvi& a){rep(i,a.size()){rep(j,a[i].size()){ cout << a[i][j] << " ";}cout<<endl; }} void vinl(vl& a){rep(i,a.size())cin>>a[i];} void vvinl(vvl& a){rep(i,a.size())rep(j,a[i].size())cin>>a[i][j];} void vvdesl(vvl& a){rep(i,a.size()){rep(j,a[i].size()){ cout << a[i][j] << " ";}cout<<endl; }} void vpin(vP& a){for(auto& x:a)cin>>x.first>>x.second;} template<typename T> void vvd(vv(T)& a){rep(i,a.size()){rep(j,a[i].size()){ cout << a[i][j] << " ";}cout<<endl; }} }; #include <chrono> using namespace chrono; int main(){ alucrex al; steady_clock::time_point start = steady_clock::now(); map<int, vi> mp; int n, m; cin >> n >> m; rep(i,m) { int x, y; cin >> x >> y; mp[x].push_back(y); } set<int> table; table.insert(n); for(auto i : mp) { vi erase, add; for(int j : i.second) { int flag = 0; if(table.count(j - 1) || table.count(j + 1)) add.push_back(j); else if(table.count(j)) erase.push_back(j); } for(int j : add) table.insert(j); for(int j : erase) table.erase(j); } cout << table.size() << endl; steady_clock::time_point end = steady_clock::now(); auto res = end - start; //cout << "実行時間:" << duration_cast<milliseconds>(res).count() << "ms" << endl; }
#include <bits/stdc++.h> using namespace std; int main() { int n; cin >> n; set<int> s; s.emplace(n); int m; cin >> m; map<int, vector<int>> mp; for (int i = 0; i < m; ++i) { int x, y; cin >> x >> y; mp[x].push_back(y); } for(auto [x, v] : mp) { sort(v.begin(), v.end()); vector<int> add; vector<int> er; for(auto e : v) { if(s.count(e)) { if(!s.count(e - 1) and !s.count(e + 1)) er.push_back(e); } else { if(s.count(e - 1) or s.count(e + 1)) add.push_back(e); } } for(auto e : add) s.emplace(e); for(auto e : er) s.erase(e); } cout << s.size() << endl; }
#include <map> #include <set> #include <list> #include <cmath> #include <ctime> #include <deque> #include <queue> #include <stack> #include <bitset> #include <map> #include <set> #include <list> #include <cmath> #include <ctime> #include <deque> #include <queue> #include <stack> #include <bitset> #include <cstdio> #include <limits> #include <vector> #include <cstdlib> #include <numeric> #include <sstream> #include <iostream> #include <algorithm> #include <functional> #include <iomanip> #include <unordered_map> #include <memory.h> #include <unordered_set> #include <fstream> using namespace std; int main(void) { cin.tie(0); ios::sync_with_stdio(false); long long int n; long long int res = 0; cin >> n; stringstream ss; ss << n; long long int val = 1; int len = ss.str().length(); for (int i = 1; i < len; i++) { long long int x = ((i - 1) / 3); res += ((x * (10 * val - val))); val *= 10; } long long int x = ((len - 1) / 3); res += ((x * (n - val + 1))); cout << res << '\n'; return 0; }
#include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> //Policy Based Data Structure using namespace __gnu_pbds; //Policy Based Data Structure using namespace std; typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds; //Policy Based Data Structure #define pqb priority_queue<int> #define pqs priority_queue<int, vi, greater<int> > #define mk(arr,n,type) type *arr = new type[n] #define fo(i,n) for(i=0;i<n;i++) #define Fo(i,k,n) for(i=k;k<n?i<n:i>n;k<n?i+=1:i-=1) #define int long long #define ld long double #define nn '\n' #define w(t) cin>>tc; while(tc--) #define deb(x) cout << #x << "=" << x << endl #define deb2(x,y) cout << #x << "=" << x << "," << #y << "=" << y << endl #define pb push_back #define mp make_pair #define F first #define S second #define lb(v,x) lower_bound(v.begin(),v.end(),x) //returns address of number equal to or just greater than x ,else it is v.end() (i.e. not found) #define ub(v,x) upper_bound(v.begin(),v.end(),x) #define all(x) x.begin(), x.end() #define fill(a, b) memset(a, b, sizeof(a)) #define sortall(x) sort(all(x)) #define tr(it,a) for(auto it = a.begin(); it != a.end(); it++) #define ps(x,y) fixed<<setprecision(y)<<x #define setbits(x) __builtin_popcountll(x) #define zrobits(x) __builtin_ctzll(x) #define PI 3.1415926535897932384626 #define inf 1e18 mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); //Random Shuffler typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<pii> vpii; typedef vector<vi> vvi; typedef map<int, int> mii; typedef map<char, int> mci; typedef map<string, int> msi; int mpow(int base, int exp); int lcm(int a, int b); void ipgraph(int m); void dfs(int u, int par); const int mod = 1000000007; const int N = 3e5, M = N; vi g[N]; // no of prime numbers in range : (70,19) , (1000,168) , (100000,1229) , (sqrt(10^9),3409) //======================= void sol() { int i, j, k, n, x, y, z, m, tc = 1; string s; // cin >> tc; while (tc--) { cin >> n; x = 1e9; y = 1e6; x *= y; y = 1e3; int ans = 0; fo(i, 5) { z = n - x; if (z >= 0) { int cnt = n - x + 1; ans += (5ll - i) * cnt; n -= cnt; } x /= y; } cout << ans << nn; } } int32_t main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif sol(); return 0; } int mpow(int base, int exp) { base %= mod; int result = 1; while (exp > 0) { if (exp & 1) result = (result * base) % mod; base = (base * base) % mod; exp >>= 1; } return result; } int lcm(int a, int b) { int g = __gcd(a, b); return a / g * b; } void ipgraph(int m) { int i, u, v; while (m--) { cin >> u >> v; g[u - 1].pb(v - 1); g[v - 1].pb(u - 1); } } void dfs(int u, int par) { for (int v : g[u]) { if (v == par) continue; dfs(v, u); } }
#include<bits/stdc++.h> using namespace std; #define PB push_back #define MP make_pair #define F first #define S second #define SZ(a) (int)(a.size()) #define ALL(a) a.begin(),a.end() #define SET(a,b) memset(a,b,sizeof(a)) #define off ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0) typedef pair<int,int> II; typedef vector< II > VII; typedef vector<int> VI; typedef vector< VI > VVI; typedef long long int LL; typedef vector<LL> VL; #define si(n) cin>>n #define dout(n) cout<<n<<"\n" #define DRT() int t; si(t); while(t--) #define rep(i, begin, end) for (__typeof(end) i = (begin) - ((begin) > (end)); i != (end) - ((begin) > (end)); i += 1 - 2 * ((begin) > (end))) //# define M_PI 3.14159265358979323846264338327950288 // DSU void IO(){ #ifndef ONLINE_JUDGE freopen("../input.txt", "r", stdin); freopen("../output.txt", "w", stdout); #endif mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); off; } LL n,m,q; vector<pair<LL,LL>> arr; int main(){ IO(); cin>>n>>m>>q; arr.resize(n); LL w,v; rep(i,0,n){ cin>>w>>v; arr[i].F = v; arr[i].S = w; } VL brr(m); rep(i,0,m){ cin>>brr[i]; } sort(ALL(arr), greater<pair<LL, LL>>()); LL l, r; rep(i,0,q){ cin>>l>>r; l--;r--; VL temp; for(LL j=0;j<l;j++){ temp.PB(brr[j]); } for(LL j=r+1;j<m;j++){ temp.PB(brr[j]); } if(SZ(temp) == 0){ dout(0); } else{ LL ans = 0; LL ss = SZ(temp); sort(ALL(temp)); VL visited(ss, 0); rep(j,0,n){ rep(k,0,ss){ if(!visited[k]){ if(temp[k] >= arr[j].S){ visited[k] = 1; ans += arr[j].F; break; } } } } dout(ans); } } return 0; }
#include<bits/stdc++.h> #define M 1005 typedef long long ll; using namespace std; int stp[M][M][27]; int n,m; int to[2*M],nxt[2*M],hd[M][26],cnte; void adde(int u,int v,int c){ to[++cnte]=v; nxt[cnte]=hd[u][c]; hd[u][c]=cnte; } struct node{int x,y,c;}; queue<node> Q; int BFS(){ int x,y,c; while(!Q.empty()){ x=Q.front().x; y=Q.front().y; c=Q.front().c; if((c==26)&&((x==1&&y==n)||(x==n&&y==1)))return stp[x][y][26]; Q.pop(); if(c==26){ for(int i=0;i<26;++i) for(int j=hd[x][i],z;j;j=nxt[j]){ if(~stp[z=to[j]][y][i])continue; stp[z][y][i]=stp[x][y][c]+1; Q.push((node){z,y,i}); } }else{ for(int j=hd[y][c],z;j;j=nxt[j]){ if(~stp[x][z=to[j]][26])continue; stp[x][z][26]=stp[x][y][c]+1; Q.push((node){x,z,26}); } } } return -1; } int main(){ cin>>n>>m; memset(stp,-1,sizeof(stp)); for(int i=1;i<=n;++i){ stp[i][i][26]=0; Q.push((node){i,i,26}); } int u,v;char c[5]; for(int i=1;i<=m;++i){ scanf("%d%d%s",&u,&v,c); if(u>v)swap(u,v); adde(u,v,c[0]-'a'); adde(v,u,c[0]-'a'); if(u==v)continue; stp[u][v][26]=1; stp[v][u][26]=1; Q.push((node){u,v,26}); Q.push((node){v,u,26}); } cout<<BFS(); return 0; }
#include <bits/stdc++.h> using namespace std; // clang-format off using ll = int64_t; template <class T> istream& operator>>(istream& is, vector<T>& v) { for (auto& a : v) cin >> a; return is; } template <class T> istream& operator>>(istream& is, vector<pair<T, T>>& v) { for (auto& a : v) cin >> a.first >> a.second; return is; } template <class T> istream& operator>>(istream& is, vector<tuple<T, T, T>>& v) { for (auto& a : v) { T a1, a2, a3; cin >> a1 >> a2 >> a3; a = {a1, a2, a3}; } return is; } template <class T> ostream& operator<<(ostream& os, vector<T>& v) { for (auto& a : v) os << a << " "; os << endl; return os; } #define all(v) begin(v), end(v) #define TRC1(a) cout << #a ":" << a #define TRC2(a, b) TRC1(a); cout << " "; TRC1(b) #define TRC3(a, b, c) TRC2(a, b); cout << " "; TRC1(c) #define TRC4(a, b, c, d) TRC3(a, b, c); cout << " "; TRC1(d) using veci = vector<int>; using vecll = vector<ll>; using Pi = pair<int, int>; using Ti = tuple<int, int, int>; #define rep(i, n) for (int i = 0; i < n; i++) #define fore(x, v) for (auto x : v) const int IINF = INT32_MAX; const ll LINF = INT64_MAX; // cout << fixed << setprecision(15); void solve(); int main() { cout << fixed << setprecision(15); solve(); return 0; } // clang-format on double dp[100][100][100]; double f(int x, int y, int z) { if (x == 100 || y == 100 || z == 100) return 0; if (dp[x][y][z] != 0) return dp[x][y][z]; int sum = x + y + z; double res = (double)x / sum * (f(x + 1, y, z) + 1) + (double)y / sum * (f(x, y + 1, z) + 1) + (double)z / sum * (f(x, y, z + 1) + 1); dp[x][y][z] = res; return res; } void solve() { double A, B, C; cin >> A >> B >> C; double ans = f(A, B, C); cout << ans << endl; }
#include<iostream> #include<iomanip> #include<cstring> #include<cmath> #include<cstdio> #include<queue> #include<algorithm> using namespace std; int A,B,C; double f[105][105][105]; int main() { scanf("%d%d%d",&A,&B,&C); f[A][B][C]=1; for(int len=A+B+C;len<=300;len++) { for(int i=A;i<=99;i++) for(int j=B;j<=99;j++) { int k=len-A-B; if(k>=C&&k<=99) { if(i) f[i+1][j][k]+=f[i][j][k]*((double)i/(i+j+k)); if(j) f[i][j+1][k]+=f[i][j][k]*((double)j/(i+j+k)); if(k) f[i][j][k+1]+=f[i][j][k]*((double)k/(i+j+k)); } } } double ans=0; for(int i=0;i<=100;i++) for(int j=0;j<=100;j++) { ans+=(100+i+j-A-B-C)*f[100][i][j]; ans+=(100+i+j-A-B-C)*f[i][100][j]; ans+=(100+i+j-A-B-C)*f[i][j][100]; } printf("%0.8lf",ans); }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for(int i = 0; i < (int)n; i++) using ll = long long; const ll INF = 1e17; int main(){ int n, m; cin >> n >> m; ll w[n], l[m], v[m], a[n]; rep(i,n) a[i] = i; rep(i,n) cin >> w[i]; rep(i,m) cin >> l[i] >> v[i]; rep(i,n) { rep(j,m) { if(w[i] > v[j]) { cout << -1 << endl; return 0; } } } vector<ll> d(1<<n); rep(i,1<<n) { ll weight = 0, dist = 0; rep(j,n) if(i & (1<<j)) weight += w[j]; rep(j,m) if(weight > v[j]) dist = max(dist,l[j]); d[i] = dist; } ll ans = INF; do { vector<ll> dp(n); for(int i = 1; i < n; i++) { rep(j,i) { int id = 0; for(int k = j; k <= i; k++) id |= (1<<a[k]); dp[i] = max(dp[i],dp[j]+d[id]); } } ans = min(ans,dp[n-1]); } while(next_permutation(a,a+n)); cout << ans << endl; return 0; }
/** * @FileName c.cpp * @Author kanpurin * @Created 2020.10.11 23:04:57 **/ #include "bits/stdc++.h" using namespace std; typedef long long ll; template<typename T> struct Bellman_Ford { private: struct edge { int to; T cost; }; int V; vector<vector<edge>> G; vector<T> d; public: const T inf = numeric_limits<T>::max(); Bellman_Ford(int V) : V(V){ G.resize(V); d.resize(V); } void add_edge(int from, int to, T cost) { G[from].push_back({to,cost}); } bool build(int s) { d.assign(V,inf); d[s] = 0; for (int i = 0; i < V; i++) { for (int j = 0; j < V; j++) { for (edge &e : G[j]) { if (d[j] != inf && d[j] + e.cost < d[e.to]) { d[e.to] = d[j] + e.cost; if (i == V - 1) { return false; } } } } } /* REP(i, V) { cout << s << " -> " << i << " = " << d[i] << endl; } */ return true; } T dist(int v) { return d[v]; } }; int main() { int n,m;cin >> n >> m; vector<int> w(n); int max_w = 0; for (int i = 0; i < n; i++) { cin >> w[i]; max_w = max(max_w,w[i]); } sort(w.begin(), w.end()); vector<pair<int,int>> p(m); for (int i = 0; i < m; i++) { cin >> p[i].second >> p[i].first; if (p[i].first < max_w) { cout << -1 << endl; return 0; } } sort(p.begin(), p.end()); for (int i = 1; i < m; i++) { p[i].second = max(p[i].second,p[i-1].second); } constexpr long long LLINF = 1e18 + 1; ll ans = LLINF; do { Bellman_Ford<ll> g(n); for (int i = 0; i < n-1; i++) { int sum = w[i]; for (int j = i+1; j < n; j++) { sum += w[j]; auto t = lower_bound(p.begin(), p.end(), make_pair(sum,-1)); if (t == p.begin()) { g.add_edge(i,j,0); } else { t--; g.add_edge(i,j,-(*t).second); } } } g.build(0); ans = min(ans,-g.dist(n-1)); } while(next_permutation(w.begin(), w.end())); cout << ans << endl; return 0; }
#include <iostream> int getNum(int x) { return 7 - x; } int main() { int a, b, c; std::cin >> a >> b >> c; int result = getNum(a) + getNum(b) + getNum(c); std::cout << result << std::endl; return 0; }
#include<bits/stdc++.h> using namespace std; #define ll long long int #define rep(i,j,n) for(int i=j;i<n;i++) #define readvec(v,n) for(int i=0;i<n;i++){cin>>v[i];} #define MOD 1000000007 int main() { int a,b,c; cin>>a>>b>>c; cout<<21-(a+b+c)<<"\n"; return 0; }
#include<bits/stdc++.h> using namespace std; #define rep(i,a,n) for (int i=a;i<n;i++) #define per(i,a,n) for (int i=n-1;i>=a;i--) #define fastIO std::ios_base::sync_with_stdio(false); std::cin.tie(0); std::cout.tie(0) #define Local #ifdef Local #define dbg(args...) do { cout << #args << " -> "; err(args); } while (0) void err() { std::cout << std::endl; } template<typename T, typename...Args> void err(T a, Args...args) { std::cout << a << ' '; err(args...); } template <template<typename...> class T, typename t, typename... A> void err(const T <t> &arg, const A&... args) { for (auto &v : arg) std::cout << v << ' '; err(args...); } #else #define dbg(...) #endif #define pb push_back #define all(x) (x).begin(),(x).end() #define fi first #define se second #define SZ(x) ((int)(x).size()) typedef vector<int> VI; typedef long long ll; typedef unsigned long long ull; typedef pair<int,int> PII; const ll mod = 1000000007; const int INF = 0x3f3f3f3f; const double PI = acos(-1.0); ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;} const int N = 2e5 + 10; int n, a[N]; ll s[N], ss[N], ms[N]; // a1 a1 + a2 a1 + a2 + a3 // a1 2*a1 + a2 3*a1 + 2*a2 + a3 // 2 3 2 // -2 -3 -1 0 0 int main() { fastIO; cin >> n; rep (i,1,n + 1) { cin >> a[i]; s[i] = s[i - 1] + a[i]; ss[i] = ss[i - 1] + s[i]; ms[i] = max(ms[i - 1], s[i]); } ll ans = 0; rep (i,0,n) { ans = max(ans, ss[i] + ms[i + 1]); } cout << ans << endl; return 0; }
#include <iostream> #include <vector> #include <array> #include <algorithm> #include <math.h> #include <iomanip> #include <climits> using namespace std; typedef long long ll; typedef unsigned long long ull; typedef unsigned int ui; ull gcd (ull a, ull b) { if(b == 0) return a; return gcd(b, a % b); } ull lcm (ull a, ull b){ // バッファ溢れを抑えるために順番大事!!! return a / gcd(a, b) * b; } ull calcDigitLength(ull n, int count) { if(n < 10) return count + 1; return calcDigitLength(n/10, count+1); } bool isPrime (ull a) { if(a == 0 || a == 1) return false; if(a == 2) return true; if(a == 3) return true; for(int i = 2; i * i <= a; i++) { if(a % i == 0) { return false; } } return true; } int main () { ll n; cin >> n; ll a; // 距離 vector<ll> vec; // 前回進んだ距離 vector<ll> susuda; ll sum = 0; ll currentMax = 0; ll currentPoint = 0; ll currentSumMax = 0; for(ll i = 0; i < n; i++) { cin >> a; sum += a; vec.push_back(a); susuda.push_back(sum); currentSumMax = max(sum, currentSumMax); currentMax = max(max(currentMax, currentPoint + sum), currentPoint +currentSumMax); currentPoint += sum; } cout << currentMax << endl; }
#include<bits/stdc++.h> using namespace std; #define ll long long #define pb push_back #define ub upper_bound #define lb lower_bound const int M=1e9L+7; const ll k=1e12L+7; const ll MM=1e18L; unordered_set<ll>s; int main(){ ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0); ll n; cin>>n; ll ans=0,a=0; for(ll i=0;i<n;++i){ ll k; cin>>k; ans+=k*k; a+=k; } cout<<n*ans-a*a<<"\n"; return 0; }
#pragma GCC optimize("O3") #include <bits/stdc++.h> #include <complex> #define ll long long #define inf 1e9 + 8 #define sinf 1e17 + 500 #define ld long double #define ull unsigned long long #define poll complex<double> #define line pair<poll, poll> #define pi acos(-1) #define lp(a, b, c, d) for (ll a = b; a < c; a += d) #define endl '\n' //#define EPS 1e-12 #define IO \ ios_base::sync_with_stdio(false); \ cin.tie(NULL); \ cout.tie(NULL); \ // freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #define mod 1000000007 using namespace std; const ll N = 1e4 +6, SEG = (1 << 14); ll gcd(ll a, ll b) { if(b==0)return a; return gcd(b,a%b); } int main() { IO ll n; cin>>n; ll arr[n]; map<ll,ll>cnt; set<ll>st; for(ll i=0;i<n;i++) { cin>>arr[i]; cnt[arr[i]]++; st.insert(arr[i]); } vector<ll>v; for(auto d:st) { v.push_back(d); // cout<<d<<endl; } ll res=0; for(ll i=0;i<v.size();i++) { ll tmp=0; for(ll j=i+1;j<v.size();j++) { tmp+=(v[j]-v[i])*(v[j]-v[i])*cnt[v[j]]; } res+=tmp*cnt[v[i]]; } cout<<res<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long #define inf (int)1e18+7 signed main() { ios_base :: sync_with_stdio(false); cin.tie(0); int a[3]; for (int i = 0; i < 3; i ++) { cin >> a[i]; } sort(a, a + 3); if (a[0] == a[1]) cout << a[2] << endl; else if (a[1] == a[2]) cout << a[0] << endl; else cout << 0 << endl; return 0; }
#include "bits/stdc++.h" #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; template <typename T> using ordered_set = tree<T, null_type, less_equal<T>, rb_tree_tag, tree_order_statistics_node_update>; #define sim template < class c #define ris return * this #define dor > debug & operator << #define eni(x) sim > typename \ enable_if<sizeof dud<c>(0) x 1, debug&>::type operator<<(c i) { sim > struct rge { c b, e; }; sim > rge<c> range(c i, c j) { return rge<c>{i, j}; } sim > auto dud(c* x) -> decltype(cerr << *x, 0); sim > char dud(...); struct debug { #ifdef LOCAL ~debug() { cerr << endl; } eni(!=) cerr << boolalpha << i; ris; } eni(==) ris << range(begin(i), end(i)); } sim, class b dor(pair < b, c > d) { ris << "(" << d.first << ", " << d.second << ")"; } sim dor(rge<c> d) { *this << "["; for (auto it = d.b; it != d.e; ++it) *this << ", " + 2 * (it == d.b) << *it; ris << "]"; } #else sim dor(const c&) { ris; } #endif }; #define imie(...) " [" << #__VA_ARGS__ ": " << (__VA_ARGS__) << "] " void solve() { int a, b, c; cin >> a >> b >> c; if (c & 1) { if (a < 0 && b < 0) { if (a < b) { cout << ">\n"; } else if (a > b) { cout << "<\n"; } else { cout << "=\n"; } } else if (a < b) { cout << "<\n"; } else if (a > b) { cout << ">\n"; } else { cout << "=\n"; } } else { a = abs(a); b = abs(b); if (a < b) { cout << "<\n"; } else if (a > b) { cout << ">\n"; } else { cout << "=\n"; } } } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); int _ = 1; //cin >> _; while (_--) { solve(); } }
#define IOS ios::sync_with_stdio(false); #define rep(i, a, n) for(ll i=a;i<=n;i++) #include <bits/stdc++.h> using namespace std; typedef long long ll; #define endl "\n" const int INF = 0x3f3f3f3f; const int mod = 1e9 + 7; const int N = 1e6 + 10; ll n, m, t, k, ans, cnt, sum, flag; ll arr[N], vis[N]; char s[N], c; int main() { IOS; cin >> n >> m; rep(i, 1, n) cin >> arr[i]; rep(i, 1, n) if (arr[i] != m) cout << arr[i] << " "; cout<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define int long long #define pb push_back #define mp make_pair #define F first #define S second signed main(){ #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif int n; cin >> n; //string s[n]; set <string> s; map <string,bool> m1,m2; string ans = "satisfiable"; string a; for(int i=0; i<n; i++){ cin >> a; if(a[0]=='!'){ a = a.substr(1); m2[a]=1; } else{ m1[a]=1; } s.insert(a); } auto it = s.begin(); while(it!=s.end()){ if(m1[*it] && m2[*it]){ ans = *it; break; } it++; } cout << ans; return 0; }
#pragma GCC target ("avx2") //#pragma GCC optimize "trapv" #pragma GCC optimization ("O3") #pragma GCC optimization ("unroll-loops") #include <bits/stdc++.h> #include<ext/pb_ds/assoc_container.hpp> #include<ext/pb_ds/tree_policy.hpp> #define ordered_set tree<ll, null_type,less<ll>, rb_tree_tag,tree_order_statistics_node_update> #define input(a,n) for(ll i1=0;i1<n;i1++)cin>>a[i1] #define ll long long #define pi 2 * acos(0.0) #define usll uset<ll> #define sll set<ll> #define mll map<ll,ll> #define pll pair<ll,ll> #define vll vector<ll> #define vpll vector<pll> #define umll umap<ll,ll> #define S second #define sz size() #define all(v) v.begin(),v.end() #define Y cout<< "YES"<< "\n" #define N cout<< "NO"<< "\n" #define F first #define pb push_back #define pf push_front #define ld long double #define random(l,r,T) uniform_int_distribution<T>(l,r)(rng) using namespace __gnu_pbds; using namespace std; mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); struct custom_hash { static uint64_t splitmix64(uint64_t x) { // http://xorshift.di.unimi.it/splitmix64.c x += 0x9e3779b97f4a7c15; x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9; x = (x ^ (x >> 27)) * 0x94d049bb133111eb; return x ^ (x >> 31); } size_t operator()(uint64_t x) const { static const uint64_t FIXED_RANDOM = chrono::steady_clock::now().time_since_epoch().count(); return splitmix64(x + FIXED_RANDOM); } }; template<class T, class H>using umap=unordered_map<T,H,custom_hash>; template<class T>using uset=unordered_set<T,custom_hash>; const ll mod = 1000000007; ll ans=0; void dfs(vll adj[],ll vis[],ll v){ vis[v]=1; for(auto i:adj[v]){ if(vis[i]) continue; ans++; dfs(adj,vis,i); } } int main() { clock_t clk = clock(); ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #ifndef ONLINE_JUDGE freopen("input.txt","r",stdin); freopen("output.txt","w",stdout); #endif ll test=1; //cin>>test; for(ll tc=1;tc<=test;tc++) { ll n,m; cin>>n>>m; vll adj[n+1]; for(ll i=1;i<=m;i++){ ll x,y; cin>>x>>y; adj[x].pb(y); } ans+=n; for(ll i=1;i<=n;i++){ ll vis[n+1]={0}; dfs(adj,vis,i); } cout<<ans; //cout<< "Case #"<<tc<< ": "<<ans<< "\n"; } // cerr << '\n'<<"Time (in s): " << double(clock() - clk) * 1.0 / CLOCKS_PER_SEC << '\n'; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; #define rep(i, n) for (ll i = 0; i < (ll)(n); i++) #define reps(i, n) for (ll i = 1; i <= (ll)(n); i++) #define all(a) (a).begin(), (a).end() #define uniq(a) (a).erase(unique(all(a)), (a).end()) #define bit(n) (1LL << (n)) #define dump(a) cerr << #a " = " << (a) << endl using vll = vector<ll>; using pll = pair<ll, ll>; template <typename T> using priority_queue_rev = priority_queue<T, vector<T>, greater<T>>; constexpr double PI = 3.1415926535897932384626433832795028; constexpr ll DY[9] = {0, 1, 0, -1, 1, 1, -1, -1, 0}; constexpr ll DX[9] = {1, 0, -1, 0, 1, -1, -1, 1, 0}; ll sign(ll a) { return (a > 0) - (a < 0); } ll cdiv(ll a, ll b) { return (a - 1 + b) / b; } template <typename T> T sq(T a) { return a * a; } template <typename T, typename U> bool chmax(T &a, const U &b) { if (a < b) { a = b; return true; } return false; } template <typename T, typename U> bool chmin(T &a, const U &b) { if (b < a) { a = b; return true; } return false; } template <typename T, typename U> ostream &operator<<(ostream &os, const pair<T, U> &a) { os << "(" << a.first << ", " << a.second << ")"; return os; } template <typename T, typename U, typename V> ostream &operator<<(ostream &os, const tuple<T, U, V> &a) { auto [t, u, v] = a; os << "(" << t << ", " << u << ", " << v << ")"; return os; } template <typename T> ostream &operator<<(ostream &os, const vector<T> &a) { os << "("; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << ")"; return os; } template <typename T> ostream &operator<<(ostream &os, const deque<T> &a) { os << "("; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << ")"; return os; } template <typename T> ostream &operator<<(ostream &os, const set<T> &a) { os << "{"; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << "}"; return os; } template <typename T> ostream &operator<<(ostream &os, const multiset<T> &a) { os << "{"; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << "}"; return os; } template <typename T, typename U> ostream &operator<<(ostream &os, const map<T, U> &a) { os << "{"; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << "}"; return os; } struct setup { static constexpr ll PREC = 20; setup() { cout << fixed << setprecision(PREC); cerr << fixed << setprecision(PREC); }; } setup; int main() { ll n; cin >> n; vll a(n); rep(i, n) { cin >> a[i]; } map<ll, ll> mp; rep(i, n) mp[a[i]]++; ll ans = n * (n - 1) / 2; for (auto [_, k] : mp) { ans -= k * (k - 1) / 2; } cout << ans << endl; }
#include <bits/stdc++.h> #define rei register int #define int long long using namespace std; const int N=2e3+100,mod=1e9+7; int n,m,a[N]; inline int read(){ int sum=0,sign=1; char ch=getchar(); while(ch<'0'||ch>'9'){ if(ch=='-') sign=-1; ch=getchar(); } while(ch>='0'&&ch<='9'){ sum=(sum<<1)+(sum<<3)+(ch^48); ch=getchar(); } return sum*sign; } inline int Qpower(long long base, long long power) { int result = 1; base%=mod; while (power > 0) { if (power & 1) { result = result * base%mod; } power >>= 1; base = (base * base)%mod; } return result; } signed main(){ scanf("%lld%lld",&n,&m); int sum=0; for(rei i=1;i<=n;++i) sum+=read(); if(m<sum){ printf("0\n"); return 0; } //ans=(∑Ai+N) // (M+N ) m+=n,sum+=n; int ans=1; for(rei i=1;i<=sum;++i){ ans=ans*Qpower(i,mod-2)%mod *(m-i+1) %mod; } printf("%lld\n",ans); return 0; }
#include <bits/stdc++.h> using namespace std; #define mod 1000000007 long long pow_log(long long x,int y) { if (!y) return 1; long long ret=pow_log(x,y/2); ret=(ret*ret)%mod; if (y%2) ret=(ret*x)%mod; return ret; } int main() { int n,m; scanf("%d%d",&n,&m); m+=n; int sum=n; for (int i=0;i<n;i++) { int a; scanf("%d",&a); sum+=a; } long long ans=1; for (int i=m-sum+1;i<=m;i++) ans=(ans*i)%mod; for (int i=1;i<=sum;i++) ans=(ans*pow_log(i,mod-2))%mod; printf("%lld",ans); }
#include <bits/stdc++.h> #define MOD 1000000007LL using namespace std; typedef long long ll; typedef pair<int,int> P; ll fact[200005]; ll mod_pow(ll x,ll n){ ll res=1; while(n>0LL){ if(n&1LL){ res=res*x%MOD; } x=x*x%MOD; n>>=1LL; } return res; } ll extgcd(ll a,ll b,ll& x,ll& y){ ll d=a; if(b!=0LL){ d=extgcd(b,a%b,y,x); y-=(a/b)*x; }else{ x=1; y=0; } return d; } ll mod_inverse(ll a,ll m){ ll x,y; extgcd(a,m,x,y); return (m+x%m)%m; } ll mod_fact(ll n,ll p,ll& e){ e=0; if(n==0)return 1; ll res=mod_fact(n/p,p,e); e+=n/p; if(n/p%2!=0){ return res*(p-fact[n%p])%p; } return res*fact[n%p]%p; } ll mod_comb(ll n,ll k,ll p=MOD){ if(n<0 || k<0 || n<k)return 0; ll e1,e2,e3; ll a1=mod_fact(n,p,e1),a2=mod_fact(k,p,e2),a3=mod_fact(n-k,p,e3); if(e1>e2+e3)return 0; return a1*mod_inverse(a2*a3%p,p)%p; } int n; string s; int K; int val[200005]; ll dp[200005][20]; int cnt[17]; ll ans; int main(void){ fact[0]=1; for(ll i=1;i<=200000;i++){ fact[i]=fact[i-1]*i%MOD; } cin >> s >> K; n=s.size(); for(int i=0;i<n;i++){ if(s[i]>='0' && s[i]<='9'){ val[i]=(s[i]-'0'); }else{ val[i]=(s[i]-'A')+10; } } int ct=0; for(int i=0;i<n;i++){ for(int j=0;j<=15;j++){ if(i==0 && j==0)continue; if(j<val[i]){ if(cnt[j]!=0)dp[i+1][ct]++; else{ dp[i+1][ct+1]++; } } } cnt[val[i]]++; if(cnt[val[i]]==1){ ct++; } } if(ct==K){ ans++; } for(int i=1;i<n;i++){ dp[i][0]++; for(int j=0;j<=K;j++){ if(dp[i][j]==0)continue; if(j==0){ dp[i+1][1]+=dp[i][j]*15%MOD; dp[i+1][1]%=MOD; }else{ dp[i+1][j]+=dp[i][j]*j%MOD; dp[i+1][j]%=MOD; dp[i+1][j+1]+=dp[i][j]*(16-j)%MOD; dp[i+1][j+1]%=MOD; } } } ans+=dp[n][K]; ans%=MOD; printf("%lld\n",ans); return 0; }
#include<bits/stdc++.h> #define For(i,a,b) for(register int i=(a);i<=(b);++i) #define Rep(i,a,b) for(register int i=(a);i>=(b);--i) //#define int long long using namespace std; inline int read() { char c=getchar();int x=0;bool f=0; for(;!isdigit(c);c=getchar())f^=!(c^45); for(;isdigit(c);c=getchar())x=(x<<1)+(x<<3)+(c^48); if(f)x=-x;return x; } #define mod 1000000007 struct modint{ int x; modint(int o=0){x=o;} modint &operator = (int o){return x=o,*this;} modint &operator +=(modint o){return x=x+o.x>=mod?x+o.x-mod:x+o.x,*this;} modint &operator -=(modint o){return x=x-o.x<0?x-o.x+mod:x-o.x,*this;} modint &operator *=(modint o){return x=1ll*x*o.x%mod,*this;} modint &operator ^=(int b){ modint a=*this,c=1; for(;b;b>>=1,a*=a)if(b&1)c*=a; return x=c.x,*this; } modint &operator /=(modint o){return *this *=o^=mod-2;} modint &operator +=(int o){return x=x+o>=mod?x+o-mod:x+o,*this;} modint &operator -=(int o){return x=x-o<0?x-o+mod:x-o,*this;} modint &operator *=(int o){return x=1ll*x*o%mod,*this;} modint &operator /=(int o){return *this *= ((modint(o))^=mod-2);} template<class I>friend modint operator +(modint a,I b){return a+=b;} template<class I>friend modint operator -(modint a,I b){return a-=b;} template<class I>friend modint operator *(modint a,I b){return a*=b;} template<class I>friend modint operator /(modint a,I b){return a/=b;} friend modint operator ^(modint a,int b){return a^=b;} friend bool operator ==(modint a,int b){return a.x==b;} friend bool operator !=(modint a,int b){return a.x!=b;} bool operator ! () {return !x;} modint operator - () {return x?mod-x:0;} }; inline modint qpow(modint a,int b){ return a^b; } #define fi first #define se second #define pb push_back #define mkp make_pair typedef pair<int,int>pii; typedef vector<int>vi; #define maxn 200005 #define inf 0x3f3f3f3f char str[maxn]; int n,d[maxn],k; modint cnt[maxn][23]; modint fac[44],ifac[44]; inline void prework(int n){ fac[0]=ifac[0]=1; For(i,1,n)fac[i]=fac[i-1]*i,ifac[i]=ifac[i-1]/i; } inline modint C(int n,int m){ if(n<m||n<0||m<0)return 0; return fac[n]*ifac[m]*ifac[n-m]; } int c[1<<17]; modint dfs(int now,int st,bool lim,bool zero){ if(now==n+1) return //cout<<"val "<<(c[st]==k)<<endl, c[st]==k; if(!lim && !zero) return //cout<<n-now+1<<" "<<c[st]<<endl, cnt[n-now+1][c[st]]; int r=lim?d[now]:15; modint res=0; For(i,0,r){ if(i||!zero)res+=dfs(now+1,st|(1<<i),lim&&(i==r),0); else res+=dfs(now+1,st,lim&&(i==r),1); } return res; } modint pw[23][maxn]; signed main() { scanf("%s",str+1); n=strlen(str+1); prework(30); For(i,1,n){ if(isdigit(str[i]))d[i]=str[i]-'0'; else d[i]=str[i]-'A'+10; } For(i,1,((1<<16)-1)) c[i]=c[i>>1]+(i&1); // pw[i][j] = (i^j); For(i,1,16){ pw[i][0]=1; For(j,1,n)pw[i][j]=pw[i][j-1]*i; } k=read(); For(i,0,n)For(j,0,k) { // 已有j个不同数,还要填i个 if(i<k-j)continue; Rep(x,k-j,0){ if((x-(k-j))%2) cnt[i][j]-=C(k-j,x)*pw[x+j][i]; else cnt[i][j]+=C(k-j,x)*pw[x+j][i]; } cnt[i][j]*=C(16-j,k-j); } //cout<<cnt[2][0].x<<endl; //cnt[1][1]=15; modint res=dfs(1,0,1,1); cout<<res.x; return 0; }
#include <iostream> #include <string> #include <algorithm> #include <vector> #include <iomanip> #include <queue> #include <stack> #include <cstdlib> #include <map> #include <iomanip> #include <set> #include <functional> #include <stdio.h> #include <ctype.h> #include <random> #include <string.h> #include <unordered_map> #include <cstdio> #include <climits> using namespace std; #define all(vec) vec.begin(),vec.end() typedef long long ll; ll gcd(ll x, ll y) { if (y == 0)return x; return gcd(y, x%y); } ll lcm(ll x, ll y) { return x / gcd(x, y)*y; } ll kai(ll x, ll y, ll m) { ll res = 1; for (ll i = x - y + 1; i <= x; i++) { res *= i; res %= m; } return res; } ll mod_pow(ll x, ll y, ll m) { ll res = 1; while (y > 0) { if (y & 1) { res = res * x % m; } x = x * x % m; y >>= 1; } return res; } ll comb(ll x, ll y, ll m) { if (y > x)return 0; return kai(x, y, m) * mod_pow(kai(y, y, m), m - 2, m) % m; } int n; string s, t; queue<int> que; ll ans; signed main() { std::random_device rnd; std::mt19937_64 mt(rnd()); cin >> n >> s >> t; for (int i = 0; i < n; i++)if (s[i] == '1')que.push(i); for (int i = 0; i < n; i++) { if (!que.empty() && que.front() == i)que.pop(); if (s[i] == t[i])continue; if (que.empty()) { cout << -1 << endl; return 0; } int p = que.front(); ans += p - i; que.pop(); if (s[i] == '0')s[i] = '1', s[i + 1] = '0', s[p] = '0'; else s[i] = '0', s[i + 1] = '0', s[p] = '0'; } cout << ans << endl; }
#include<bits/stdc++.h> using namespace std; #define _GLIBCXX_DEBUG #define all(v) (v).begin(),(v).end() using ll=long long; using ld=long double; using pii=pair<int, int>; using vi=vector<int>; using vii=vector<vector<int>>; const ll LINF=1LL<<60; const int INF=1<<29; const ll MOD=1e9+7; template<typename T> bool chmax(T &a,const T b){if(a < b){a=b; return true;} return false;} template<typename T> bool chmin(T &a,const T b){if(a > b){a=b; return true;} return false;} int N; ll ans=0; string S, T; vi cnt1(2, 0); int solve(){ queue<int> que1, que2; for(int i=0; i<N; i++){ if(S[i] == '1') que1.push(i); if(T[i] == '1') que2.push(i); } while(!que1.empty() || !que2.empty()){ if(que1.empty()) return 0; int a=que1.front(); que1.pop(); if(!que2.empty()){ int b=que2.front(); if(a >= b){ ans=ans+a-b; que2.pop(); } else{ if(que1.empty()) return 0; int c=que1.front(); que1.pop(); ans=ans+c-a; } } else{ if(que1.empty()) return 0; int c=que1.front(); que1.pop(); ans=ans+c-a; } } return 1; } int main(){ cin >> N; cin >> S >> T; if(solve()){ cout << ans << endl; } else cout << "-1" << endl; return 0; }
#include <stdint.h> #include <iostream> #include <string> #include <vector> #include <algorithm> #include <functional> #include <math.h> using namespace std; int main() { string s; cin >> s; for(auto i = 0; i < s.size() && s[i] != '.'; ++i) { cout << s[i]; } cout << endl; return 0; }
// Jai Shree Ram #include<bits/stdc++.h> using namespace std; #define rep(i,a,n) for(int i=a;i<n;i++) #define ll long long #define int long long #define pb push_back #define all(v) v.begin(),v.end() #define endl "\n" #define x first #define y second #define gcd(a,b) __gcd(a,b) #define mem1(a) memset(a,-1,sizeof(a)) #define mem0(a) memset(a,0,sizeof(a)) #define sz(a) (int)a.size() #define pii pair<int,int> #define hell 1000000007 #define elasped_time 1.0 * clock() / CLOCKS_PER_SEC template<typename T1,typename T2>istream& operator>>(istream& in,pair<T1,T2> &a){in>>a.x>>a.y;return in;} template<typename T1,typename T2>ostream& operator<<(ostream& out,pair<T1,T2> a){out<<a.x<<" "<<a.y;return out;} template<typename T,typename T1>T maxs(T &a,T1 b){if(b>a)a=b;return a;} template<typename T,typename T1>T mins(T &a,T1 b){if(b<a)a=b;return a;} int solve(){ string s;cin>>s; string t; for(auto i:s){ if(i=='.')break; t.push_back(i); } if(t.empty())t="0"; cout<<t<<endl; return 0; } signed main(){ ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); //freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); #ifdef SIEVE sieve(); #endif #ifdef NCR init(); #endif int t=1;//cin>>t; while(t--){ solve(); } return 0; }
#define _USE_MATH_DEFINES #include <bits/stdc++.h> using namespace std; signed main () { std::ios::sync_with_stdio(false); std::cin.tie(0); int n; cin >> n; string s; cin >> s; string t; cin >> t; reverse(s.begin(), s.end()); reverse(t.begin(), t.end()); set<int> pre, cur; cur.emplace(0); int p = 1; for (int i = 0; i < n; i++) { pre = cur; cur.clear(); if (t[i] == 'T') { for (int x = 0; x < 7; x++) { int v1 = x; int v2 = x + (s[i] - '0') * p; v2 %= 7; if (pre.count(v1) || pre.count(v2)) cur.emplace(x); } } else { for (int x = 0; x < 7; x++) { int v1 = x; int v2 = x + (s[i] - '0') * p; v2 %= 7; if (pre.count(v1) && pre.count(v2)) cur.emplace(x); } } p *= 10; p %= 7; } cout << (cur.count(0) ? "Takahashi" : "Aoki") << endl; }
#include <bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; //#define int long long //#pragma GCC optimize("Ofast") //#pragma comment(linker, "/stack:200000000") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4") #define file(s) freopen(s".in","r",stdin); freopen(s".out","w",stdout); #define fastio ios_base::sync_with_stdio(0), cin.tie(0), cout.tie(0); #define all(x) x.begin(), x.end() #define sz(s) (int)s.size() #define pb push_back #define ppb pop_back #define mp make_pair #define s second #define f first typedef pair < long long, long long > pll; typedef pair < int, int > pii; typedef unsigned long long ull; typedef vector < pii > vpii; typedef vector < int > vi; typedef long double ldb; typedef long long ll; typedef double db; typedef tree < int, null_type, less < int >, rb_tree_tag, tree_order_statistics_node_update > ordered_set; const int inf = 1e9, maxn = 2e5 + 48, mod = 1e9 + 7, N = 2e5 + 12; const int dx[] = {1, -1, 0, 0}, dy[] = {0, 0, 1, -1}, block = 300; const pii base = mp(1171, 3307), Mod = mp(1e9 + 7, 1e9 + 9); const db eps = 1e-12, pi = acos(-1); const ll INF = 1e18; int n, pw[N], dp[N][7]; string s, t; int rec (int i, int j) { int &res = dp[i][j]; if (res != -1) return res; if (i == n) { if (!j) return res = 1; return res = 0; } int g1 = rec(i + 1, (j + pw[n - 1 - i] * (s[i] - '0')) % 7); int g2 = rec(i + 1, j); // cerr << i << ' ' << j << ' ' << pw[n - 1 - i] << ' ' << (s[i] - '0') << ' ' << g1 << ' ' << g2 << endl; if ((t[i] == 'T' && (g1 || g2)) || (t[i] == 'A' && g1 && g2)) return res = 1; return res = 0; } main () { pw[0] = 1; for (int i = 1; i < N; ++i) pw[i] = pw[i - 1] * 10 % 7; memset(dp, -1, sizeof(dp)); fastio cin >> n >> s >> t; puts(rec(0, 0) ? "Takahashi" : "Aoki"); }
#include <iostream> using namespace std; int main() { int n; double x; cin >> n >> x; x *= 100; for (int i = 0; i < n; i++) { int v, p; cin >> v >> p; x -= v * p; if (x < 0) { cout << i+1; return 0; } else {if (i == n-1) { cout << -1; return 0; }} } }
#include <cstdio> #include <vector> using namespace std; int main(int argc, char** argv) { char c, s[200005]; int len = 0; while((c = getchar()) != '\n'); while((c = getchar()) != '\n') { s[len++] = c; if(len >= 3 && s[len - 3] == 'f' && s[len - 2] == 'o' && s[len - 1] == 'x') len -= 3; } printf("%d\n", len); return 0; }
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <cstdio> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <map> #include <numeric> #include <queue> #include <set> #include <sstream> #include <stack> #include <unordered_set> using namespace std; #if __has_include(<atcoder/all>) #include <atcoder/all> using namespace atcoder; #endif #define GET_MACRO(_1, _2, _3, NAME, ...) NAME #define _rep(i, n) _rep2(i, 0, n) #define _rep2(i, a, b) for(int i = (int)(a); i < (int)(b); i++) #define rep(...) GET_MACRO(__VA_ARGS__, _rep2, _rep)(__VA_ARGS__) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() using i64 = long long; template<class T, class U> bool chmin(T& a, const U& b) { return (b < a) ? (a = b, true) : false; } template<class T, class U> bool chmax(T& a, const U& b) { return (b > a) ? (a = b, true) : false; } template<typename T>istream& operator>>(istream&i,vector<T>&v){rep(j,v.size())i>>v[j];return i;} template<typename T>string join(vector<T>&v){stringstream s;rep(i,v.size())s<<' '<<v[i];return s.str().substr(1);} template<typename T>ostream& operator<<(ostream&o,vector<T>&v){if(v.size())o<<join(v);return o;} template<typename T>string join(vector<vector<T>>&vv){string s="\n";rep(i,vv.size())s+=join(vv[i])+"\n";return s;} template<typename T>ostream& operator<<(ostream&o,vector<vector<T>>&vv){if(vv.size())o<<join(vv);return o;} int main(){ int n, q; cin >> n >> q; vector<i64> a(n); cin >> a; sort(all(a)); set<i64> s; for (auto i: a) s.insert(i); vector<i64> ans; while (q--){ i64 k; cin >> k; i64 ok = 2e18, ng = 0; while (ok - ng > 1){ i64 mid = (ok + ng) / 2; auto x = upper_bound(all(a), mid) - a.begin(); if (mid - x >= k) ok = mid; else ng = mid; } while (s.count(ok)) ok++; ans.emplace_back(ok); } for (auto i: ans) cout << i << "\n"; }
#include<bits/stdc++.h> using namespace std; int main() { int a,b; cin>>a>>b; int y=(a-b)/2; cout<<b+y<<" "<<y; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using st = string; using Pii = pair<int, int>; #define rep2(i, m, n) for(int i = m; i < n; i++) #define rep(i, n) rep2(i, 0, n) #define chmax(x, y) x = max(x, y) #define chmin(x, y) x = min(x, y) #define INF (ll)1e9 const int mod = 1e9 + 7; const int di[4] = {0, 1, 0, -1}; const int dj[4] = {1, 0, -1, 0}; const int di2[8] = {0, 1, 0, -1, 1, 1, -1, -1}; const int dj2[8] = {1, 0, -1, 0, 1, -1, 1, -1}; bool get(int m, int h) { if(h % m == 0) return true; else return false; } int main() { int m, h; cin >> m >> h; if(get(m, h)) cout << "Yes" << endl; else cout << "No" << endl; return 0; }
#include<bits/stdc++.h> using namespace std; int main() { int v,t,s,d,a,s1,flag=0; cin>>v>>t>>s>>d; a=v*t; for(int i=t; i<=s; i++) { if((d>=(v*i)&&(d<=(v*s)))) { flag=1; break; } } if(flag==1) { cout<<"No"<<endl; } else { cout<<"Yes"<<endl; } return 0; }
#include<iostream> using namespace std; int main() { int a,b; cin>>a>>b; int x=(a+b)/2; cout<<x<<" "<<a-x<<endl; return 0; }
#include <iostream> using namespace std; int main(void){ int a,b; cin >> a >> b; a = a / b; cout << a << endl; }
#include<bits/stdc++.h> #define N 100005 #define ll long long using namespace std; template<class T>void read(T&x) { T f=1;x=0;char c=getchar(); while(c<'0'||c>'9'){if(c=='-')f=-1;c=getchar();} while('0'<=c&&c<='9'){x=x*10+c-'0';c=getchar();} x*=f; } template<class T>void print(T x,char c) { if(x<0)putchar('-'),x=-x;int s[20],top=0; while(s[++top]=x%10,x/=10); while(top)putchar(s[top--]+'0');putchar(c); } int n; int main() { read(n); for(int i=1; i<=n; ++i)if((i+1)*i/2 >= n)print(i,'\n'),exit(0); }
#include <bits/stdc++.h> using namespace std; int main(){ int n; cin >> n ; int sum = 0; for(int i=0;;i++){ sum += i; if(sum >= n){ cout << i << endl; break; } } return 0; }
#include <bits/stdc++.h> using namespace std; //vector <long long> v[1000001]; //stack <long long> s, s2; //bbbbaaaa //queue <long long> s, s2; long long int z[1], x[1][3], y[1][2], m, szu, wy[100][100]; char s[10000000]; long long nwd(long long a, long long b) { while(a*b) { if(a>b)swap(a, b); b%=a; } return(a+b); } int main() { long long int chu, d, e, f, i, j, q, t, k, a, n, b, c, w, p, aa, bb, cc, dd, nn, kk; t=1; //scanf("%lld", &t); for(q=1; q<=t; q++) { scanf("%lld%lld", &n, &a); for(i=1; i<n; i++) { scanf("%lld", &b); a=nwd(a, b); } printf("%lld\n", a); } return(0); }
#include <bits/stdc++.h> using namespace std; #define ll long long #define F first #define S second #define PB push_back #define MP make_pair typedef vector<int> vi; typedef pair<int,int> pi; #define REP(i,a,b) for (int i = a; i <= b; i++) void solve(){ int a,b,c; cin>>a>>b; if(a == b){cout<<a;return;} if(a==0){ if(b == 1){ cout<<2;return; } cout<<1;return; } else if(a == 1){ if(b == 2){ cout<<0;return; } cout<<2;return; } else{ if(b == 1){ cout<<0;return; } cout<<1;return; } } int main(){ ios::sync_with_stdio(0); cin.tie(0); int n =1; // cin>>n; while(n--){ // cout<<n; solve(); } }
#pragma GCC target("avx2") #pragma GCC optimize("O3") // #pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> using namespace std; constexpr int INF = 168430090; int x[17], y[17], z[17], dist[17][17], dp[17][131072]; int main() { memset(dp, 10, sizeof(dp)); dp[0][1] = 0; int N; scanf("%d", &N); for(int i = 0; i < N; i++)scanf("%d%d%d", &x[i], &y[i], &z[i]); int NUM = (1<<N); for(int i = 0; i < N; i++) { for(int j = 0; j < N; j++) { dist[i][j] = abs(x[i] - x[j]) + abs(y[i] - y[j]) + max(0, z[j] - z[i]); } } for(int bit = 1; bit < NUM; bit++) { for(int i = 0; i < N; i++) { if(!((1<<i) & bit) || dp[i][bit] == INF)continue; for(int j = 0; j < N; j++) { if((1<<j) & bit)continue; dp[j][bit | (1<<j)] = min(dp[j][bit | (1<<j)], dp[i][bit] + dist[i][j]); } } } int ans = INF; while(--N) { ans = min(ans, dp[N][NUM - 1] + dist[N][0]); } printf("%d\n", ans); }
#include<bits/stdc++.h> using namespace std; long int min=-1; void find_min(long int m) { if(::min==-1) { ::min=m; return; } if(m<(::min)) ::min=m; } int main() { long int n,**a,i; cin>>n; a=new long int*[n]; for(i=0;i<n;i++) { a[i]=new long int[3]; cin>>a[i][0]>>a[i][1]>>a[i][2]; if(a[i][2]-a[i][0]>0) find_min(a[i][1]); } cout<<::min<<endl; return 0; }
// #pragma GCC optimize("O3") // (code on steroids) # include <bits/stdc++.h> using namespace std; typedef long long ll; # define int ll # define fastio ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); # define len(x) (ll((x).size())) # define print(x) cout<<(x)<<"\n" # define P0(x) cout<<(x)<<' ' # define P1(x) cout<<(x)<<"\n" # define P2(x,y) cout<<(x)<<' '<<(y)<<"\n" # define P3(x,y,z) cout<<(x)<<' '<<(y)<<' '<<(z)<<"\n" # define P4(x,y,z,w) cout<<(x)<<' '<<(y)<<' '<<(z)<<' '<<(w)<<"\n" // using auto in for # define printv(v) {auto kjhg = v;for(auto idnphq : kjhg) cout<< idnphq << ' ';cout << "\n";} # define printvv(v) {auto kjhg = v;for(auto idnphq : kjhg) {for(auto plinrw : idnphq) cout<< plinrw << ' ';cout << "\n";}} # define prints(s) {auto kjhg = s;for(auto idnphq : kjhg) cout<< idnphq << ' ';cout << "\n";} # define printm(m) {auto kjhg = m;for(auto idnphq : kjhg) cout<< idnphq.first << ':' << idnphq.second << ' ';cout << "\n";} // for runtime errors (assertions and segmentation faults) # define debug(x) {\ cout<<"all good "<<x<<"\n";\ exit(0);\ } int isl(vector<int> a){ return(a[0]<=2); } int isr(vector<int> a){ return(a[0]%2); } int f(vector<int> a, vector<int> b){ // case 1 if left corrdinates are equal if(b[1]==a[1]){ return(1); } // case two unequal if(b[1]<a[1]) swap(a,b);// a is now the one with lesser left coordinate if(a[2]>b[1]){ return(1); }else if(a[2]==b[1]){ int fl = isr(a) && isl(b); return(fl); }else{ return(0); } } int32_t main(){ fastio; int n; cin>>n; vector<vector<int>> a = {}; for(int i = 0; i<n ; i++){ vector<int> dat(3); cin>>dat[0]>>dat[1]>>dat[2]; a.push_back(dat); } // printvv(a); int cnt = 0; for(int i = 0; i<n ; i++){ for( int j = i+1; j<n ; j++){ cnt+=f(a[i],a[j]); // print(f(a[i],a[j])); } } print(cnt); return(0); }
#include<bits/stdc++.h> using namespace std; typedef long long ll; #define ephsilon 1e-9 #define int long long int #define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); const long long mod = 1e9+7; const long long mod1 = 998244353; const int maxN = 2e5+1; const int mx = 1e5+1; int32_t main() { fastio; int n; double a,b; cin>>n; vector<pair<double,double>>v; int t; for(int i=0;i<n;i++) { cin>>t>>a>>b; if(t==2)b-=.1; else if(t==3)a+=.1; else if(t==4)a+=.1,b-=.1; v.push_back({a,b}); } sort(v.begin(),v.end()); int ans=0; for(int i=0;i<n-1;i++) { for(int j=i+1;j<n;j++) { double l1=v[i].first,r1=v[i].second; double l2=v[j].first,r2=v[j].second; if(l1>r2 || r1<l2)continue; else ans++; } } cout<<ans<<"\n"; return 0; }
#include <iostream> #include <vector> #include <queue> #include <set> #include <unordered_set> #include <unordered_map> #include <map> #include <string> #include <algorithm> #include <tuple> #include <array> #include <climits> #include <cmath> #include <iomanip> using namespace std; typedef long long ll; int main() { ll L; cin >> L; ll dp[L][12]; for (int i = 0; i < L; ++i) { for (int j = 0; j < 12; ++j) { if (i == 0 || j > i) { dp[i][j] = 0; } else if (j == 0 || i==j) { dp[i][j] = 1; } else { dp[i][j] = dp[i-1][j-1] + dp[i-1][j]; } } } cout << dp[L-1][11]; return 0; }
#include<iostream> #include<cmath> using namespace std; int main() { long long int n; cin>>n; long long int c=0,x=0; long long int h=1e10,l=0; long long int m=0; while(h-l>1) { m=l+(h-l)/2; if(m*(m+1)/2<=n+1) { l=m; } else { h=m; } } //cout<<l<<" "; cout<<n-l+1; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; int main() { ll k, n, m; cin >> k >> n >> m; vector<ll> a(k); for (int i = 0; i < k; i++) { cin >> a[i]; } vector<ll> b(k); vector<pair<ll, ll>> d(k); ll sum = 0; for (int i = 0; i < k; i++) { b[i] = a[i] * m / n; d[i].first = a[i] * m % n; d[i].second = i; sum += b[i]; } // a[i] * m % n が大きい順に1足す sort(d.begin(), d.end(), [](pair<ll, ll> a, pair<ll, ll> b) { return a.first > b.first; }); const ll addNum = m - sum; for (ll i = 0; i < addNum; i++) { b[d[i].second]++; } for (auto const v : b) { cout << v << " "; } return 0; }
#include<bits/stdc++.h> using namespace std; #define MOD 1000000007 //#define MOD 998244353 #define INF 1000000010 #define EPS 1e-9 #define F first #define S second #define debug(x) cout<<x<<endl; #define repi(i,x,n) for(int i=x;i<n;i++) #define rep(i,n) repi(i,0,n) #define lp(i,n) repi(i,0,n) #define repn(i,n) for(int i=n;i>=0;i--) #define int long long #define endl "\n" typedef pair<int,int> PII; typedef pair<int,string> PIS; typedef pair<string,int> PSI; template <typename T> bool chmax(T &a, const T& b) { if (a < b) { a = b; return true; } return false; } template <typename T> bool chmin(T &a, const T& b) { if (a > b) { a = b; return true; } return false; } signed main(){ //cin.tie(0); //ios::sync_with_stdio(false); int k,n,m; cin>>k>>n>>m; int a[k]; rep(i,k){ cin>>a[i]; a[i]*=m; } int ans[k]={}; int sum=0; priority_queue<PII> p; rep(i,k){ ans[i]=((a[i]*2)+n)/(n*2); //cout<<ans[i]<<" "<<a[i]<<endl; sum+=ans[i]; //cout<<sum<<endl; } //cout<<sum<<endl; if(sum<m){ rep(i,k){ p.push({((n+a[i]+((n)/2)))%n,i}); //cout<<-((n+a[i]-((n+1)/2)))%n<<endl; } while(sum<m){ PII now=p.top(); p.pop(); sum++; ans[now.S]++; now.F-=n; p.push(now); } } if(sum>m){ rep(i,k){ p.push({-(n+a[i]+((n)/2))%n,i}); //cout<<(a[i]+(n/2))%n<<endl; } while(sum>m){ PII now=p.top(); p.pop(); sum--; ans[now.S]--; now.F-=n; p.push(now); } } rep(i,k){ if(i) cout<<" "; cout<<ans[i]; } cout<<endl; return 0; }
#define _USE_MATH_DEFINES #include <iostream> #include <sstream> #include <string> #include <list> #include <vector> #include <queue> #include <algorithm> #include <climits> #include <cstring> #include <cmath> #include <stack> #include <iomanip> #include <tuple> #include <functional> #include <cfloat> #include <map> #include <set> #include <array> #include <stdio.h> #include <string.h> #include <random> #include <cassert> using ll = long long; using ull = unsigned long long; using uint = unsigned int; using namespace std; #define int long long #define CONTAINS_VEC(v,n) (find((v).begin(), (v).end(), (n)) != (v).end()) #define SORT(v) sort((v).begin(), (v).end()) #define RSORT(v) sort((v).rbegin(), (v).rend()) #define ARY_SORT(a, size) sort((a), (a)+(size)) #define REMOVE(v,a) (v.erase(remove((v).begin(), (v).end(), (a)), (v).end())) #define REVERSE(v) (reverse((v).begin(), (v).end())) #define ARY_REVERSE(v,a) (reverse((v), (v)+(a))) #define REP(i, n) for (int (i)=0; (i) < (n); (i)++) #define REPE(i, n) for (int (i)=0; (i) <= (n); (i)++) #define CONTAINS_MAP(m, a) ((m).find((a)) != m.end()) #define CONTAINS_SET(m, a) ((m).find((a)) != m.end()) void YesNo(bool b) { cout << (b ? "Yes" : "No") << endl; exit(0); } void Yes() { cout << "Yes" << endl; exit(0); } void No() { cout << "No" << endl; exit(0); } //---------- 1000000007 ---------- const int MOD = 998244353; struct mint { ll x; // typedef long long ll; mint(ll x = 0) :x((x% MOD + MOD) % MOD) {} mint operator-() const { return mint(-x); } mint& operator+=(const mint a) { if ((x += a.x) >= MOD) x -= MOD; return *this; } mint& operator-=(const mint a) { if ((x += MOD - a.x) >= MOD) x -= MOD; return *this; } mint& operator*=(const mint a) { (x *= a.x) %= MOD; return *this; } mint operator+(const mint a) const { return mint(*this) += a; } mint operator-(const mint a) const { return mint(*this) -= a; } mint operator*(const mint a) const { return mint(*this) *= a; } mint pow(ll t) const { if (!t) return 1; mint a = pow(t >> 1); a *= a; if (t & 1) a *= *this; return a; } // for prime mod mint inv() const { return pow(MOD - 2); } mint& operator/=(const mint a) { return *this *= a.inv(); } mint operator/(const mint a) const { return mint(*this) /= a; } }; istream& operator>>(istream& is, mint& a) { return is >> a.x; } ostream& operator<<(ostream& os, const mint& a) { return os << a.x; } mint m_comb(mint n, mint r) { int i; mint p = 1; for (i = 1; i <= r.x; i++) { p *= n - i + 1; p /= i; } return p; } mint m_comb_with_rep(mint n, mint r) { return m_comb(n + r - 1, r); } mint m_perm(mint n, mint r) { mint a = 1; for (int i = n.x; i > n.x - r.x; i--) { a *= i; } return a; } int N; int A[200001]; signed main() { cin >> N; REP(i, N) cin >> A[i]; ARY_SORT(A, N); mint ans = 0; mint sum = 0; mint b = 1; for (int i = 1; i < N; i++) { mint a = A[0] * A[i]; sum += a * b; b *= 2; } ans = sum; for (int i = 0; i < N - 1; i++) { sum -= (A[i] * A[i + 1]); sum /= 2; sum /= A[i]; sum *= A[i + 1]; ans += sum; } for (int i = 0; i < N; i++) { mint a = A[i] * A[i]; ans += a; } cout << ans << endl; }
#include<bits/stdc++.h> using namespace std; #define ll long long const int N = 1e6 + 1, inf = 1e9, mod = 998244353; ll modpow(ll x, ll p){ ll ans = 1; for (ll i = p; i; i >>= 1, x = x * x % mod) if (i & 1) ans = ans * x % mod; return ans; } int main(){ ios::sync_with_stdio(0), cin.tie(0); int n; cin >> n; ll a[n], pre[n], ans = 0; for (ll &i : a) cin >> i; sort(a, a + n); for (int i = 0; i < n; i++) pre[i] = ((i ? pre[i - 1] : 0) + a[i] * modpow(2, i)) % mod; for (int i = 0; i < n; i++){ ll tmp = a[i] * (pre[n - 1] - pre[i]) % mod; tmp = tmp * modpow(modpow(2, i + 1), mod - 2) % mod; ans = (ans + tmp + a[i] * a[i]) % mod; } cout << ans; }
#include <bits/stdc++.h> using namespace std; using ll = long long; using vll = vector<ll>; using vvll = vector<vll>; using vc = vector<char>; using vvc = vector<vc>; #define F(index,start,end) for(ll index=start;index<end;++index) #define IA(array,size) F(index,0,size) cin >> array[index] #define IA2(array,height,width) F(i,0,height) F(j,0,width) cin >> array[i][j] #define PA(array,size) F(index,0,size) { cout << array[index]; if(index!=size-1) cout << " ";} cout << endl #define PA2(array,height,width) F(i,0,height) {F(j,0,width) cout << array[i][j]; cout << endl;} #define P(str) cout << str << endl constexpr int32_t MOD=1000000007; int main(){ ll n,m; cin>>n>>m; if(m==0){ cout << 1 << endl; return 0; } ll a[m]; IA(a,m); if(n==m){ cout << 0 << endl; return 0; } sort(a,a+m); vll d; if(a[0]-1!=0) d.push_back(a[0]-1); F(i,1,m){ if(a[i]-a[i-1]-1!=0) d.push_back(a[i]-a[i-1]-1); } if(n-a[m-1]!=0) d.push_back(n-a[m-1]); sort(d.begin(),d.end()); ll sum=0; for(auto dd:d){ sum+=ll(ceil(double(dd)/d[0])); } cout << sum << endl; return 0; }
#include <bits/stdc++.h> #define MOD 1000000007 #define INF 1001001001 #define LINF 1001001001001001001 #define rep(i,n) for (int i = 0; i < (n); ++i) #define bit(n) (1LL<<(n)) using namespace std; typedef long long ll; typedef pair<int, int> P; typedef pair<ll, ll> LLP; int main() { ll N, W; cin >> N >> W; vector<ll> S(N), T(N), P(N); rep(i,N) cin >> S[i] >> T[i] >> P[i]; priority_queue<pair<ll, LLP>, vector<pair<ll, LLP>>, greater<pair<ll, LLP>>> wait; priority_queue<LLP, vector<LLP>, greater<LLP>> now; rep(i,N) { pair<ll, LLP> k = make_pair(S[i], make_pair(T[i], P[i])); wait.push(k); } ll demand = 0; rep(i,200000) { while (!wait.empty() && wait.top().first <= i) { LLP next = wait.top().second; wait.pop(); now.push(next); demand += next.second; } while (!now.empty() && now.top().first <= i) { demand -= now.top().second; now.pop(); } if (demand > W) { cout << "No" << endl; return 0; } } cout << "Yes" << endl; return 0; }
#include <bits/stdc++.h> using namespace std; using ll = long long int; using ull = unsigned long long int; using P = pair<int, int>; using P3 = pair<int,P>; using PP = pair<P, P>; constexpr int INF32 = 1 << 29; constexpr ll INF64 = 1LL << 61; constexpr ll MOD = 1000000007; // constexpr ll MOD = 998244353; constexpr int di[] = {0, 1, 0, -1}; constexpr int dj[] = {1, 0, -1, 0}; constexpr int di8[] = {0, 1, 1, 1, 0, -1, -1, -1}; constexpr int dj8[] = {1, 1, 0, -1, -1, -1, 0, 1}; constexpr double EPS = 1e-10; const double PI = acos(-1); #define ALL(v) (v).begin(),(v).end() #define REP(i,n) for(int i=0,i_len=n; i<i_len; ++i) template<typename T1,typename T2> bool chmax(T1 &a, T2 b) { if (a<b) { a=b; return 1; } return 0; } template<typename T1,typename T2> bool chmin(T1 &a, T2 b) { if (b<a) { a=b; return 1; } return 0; } int main(){ string s; cin >> s; int ans = 0; for(int i=0;i<10000;i++){ string t = to_string(i); while(t.size() < 4) t.insert(t.begin(),'0'); bool valid = true; for(int j=0;j<10;j++){ if(s[j]=='o'){ valid &= t.find('0'+j) != t.npos; } if(s[j]=='x'){ valid &= t.find('0'+j) == t.npos; } } if(valid) ans++; } cout << ans << endl; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long int ll; ll cnt[3]; // ll solve(ll a, ll b, ll c){ // if (a>4) return 0; // if (a==4) return 24; // if (a==3){ // if (c==0) return 81-solve(1,b,1)-solve(1,b,2); // else return solve(a,b,0)+24*c; // } // if (a==2){ // if (c==0) return 16-2; // if (c==1) return solve(3,7,0)+solve(a,b,0); // if (c==2) return solve(4,6,0)+solve(a,b,1); // if (c==3) return 3*solve(4,6,0) // } // } ll combi(ll a, ll b){ if (a==b) return 1; if (2 * b > a) return combi(a, a-b); ll ret = 1; for(ll i=0; i<b; i++){ ret *= (a-i); } for(ll i=1; i<=b; i++){ ret /= i; } return ret; } // 4桁の数字をa個の文字を使って作る方法 ll make_four_digits(ll a){ if (a==4) return 24; if (a==3) return 81-combi(3,2)*make_four_digits(2)-combi(3,1)*make_four_digits(1); if (a==2) return 16-combi(2,1)*make_four_digits(1); if (a==1) return 1; else return 0; } ll solve(ll a, ll b, ll c){ if (a>4) return 0; if (a==4) return make_four_digits(4); if (a==3){ if (c==0) return make_four_digits(3); if (c==1) return make_four_digits(3) + make_four_digits(4); else return make_four_digits(3) + c*make_four_digits(4); }else if (a==2){ if (c==0) return make_four_digits(2); if (c==1) return make_four_digits(2) + make_four_digits(3); else return make_four_digits(2) + combi(c,1)*make_four_digits(3) + combi(c,2)*make_four_digits(4); }else if (a==1){ if (c==0) return 1; if (c==1) return make_four_digits(1)+make_four_digits(2); if (c==2) return make_four_digits(1) + combi(2,1)*make_four_digits(2) + combi(2,2)*make_four_digits(3); else return make_four_digits(1) + combi(c,1)*make_four_digits(2) + combi(c,2)*make_four_digits(3) + combi(c,3)*make_four_digits(4); }else{ // (a==0) if (c==0) return 0; if (c==1) return 1; if (c==2) return combi(2,1)*make_four_digits(1) + combi(2,2)*make_four_digits(2); if (c==3) return combi(3,1)*make_four_digits(1) + combi(3,2)*make_four_digits(2) + combi(3,3)*make_four_digits(3); else return combi(c,1)*make_four_digits(1) + combi(c,2)*make_four_digits(2) + combi(c,3)*make_four_digits(3) + combi(c,4)*make_four_digits(4); } } int main(){ string S; cin >> S; for(ll i=0; i<S.size(); i++){ if (S[i]=='o') cnt[0]++; else if (S[i]=='x') cnt[1]++; else cnt[2]++; } cout << solve(cnt[0], cnt[1], cnt[2]) << endl; return 0; }
#include <iostream> #include <string> #include <vector> #include <iomanip> #define rep(i, n) for (int i = 0; i < (n); ++i) using std::cin; using std::cout; using std::endl; using std::string; using std::vector; long long calc_score(string s) { long long score = 0; for (char c = '1'; c <= '9'; c++) { int cnt = 0; rep(i, s.size()) { if (c == s[i]) cnt++; } int tmp = (c - '0'); rep(j, cnt) { tmp *= 10; } score += tmp; } return score; } long long calc_cases(string s, string t, int K) { vector<int> rest(10, K); rep(i, 4) { rest[s[i] - '0']--; } rep(i, 4) { rest[t[i] - '0']--; } long long cases = rest[s[4] - '0']; rest[s[4] - '0']--; cases *= rest[t[4] - '0']; return cases; } int main() { int K; cin >> K; string S, T; cin >> S >> T; vector<int> rest(10, K); rep(i, S.size()) { rest[S[i] - '0']--; } rep(i, T.size()) { rest[T[i] - '0']--; } double cases = 0; for (char c = '1'; c <= '9'; c++) { if (rest[c - '0'] == 0) continue; string s = S; s[4] = c; for (char c2 = '1'; c2 <= '9'; c2++) { if (rest[c2 - '0'] == 0 || (c == c2 && rest[c2 - '0'] == 1)) continue; string t = T; t[4] = c2; if (calc_score(s) > calc_score(t)) { cases += calc_cases(s, t, K); } } } cout << std::fixed << std::setprecision(10) << cases / (K * 9 - 8) / (K * 9 - 8 - 1) << endl; return 0; }
#include<bits/stdc++.h> using namespace std; typedef long long ll; typedef vector<int> vi; typedef vector<long long> vl; typedef pair<int, int>pi; typedef pair<long long, long long>pl; #define F first #define S second #define pb push_back #define all(x) x.begin() , x.end() #define mp1 make_pair #define REP(i,a,b) for(i=a;i<=b;i++) #define mem(a) memset(a , 0 ,sizeof a) #define memn(a) memset(a , -1 ,sizeof a) int main() { int t = 1; //cin >> t; while (t--) { ll a,b,w,mn,mx; cin>>a>>b>>w; w=w*1000; mx=w/a; mn=ceil(w/(b*1.00)); if(mn>mx) cout<<"UNSATISFIABLE"<<endl; else cout<<mn<<" "<<mx<<endl; } }
#include <bits/stdc++.h> #define SZ(x) (int)(x).size() #define ALL(x) (x).begin(),(x).end() #define PB push_back #define EB emplace_back #define MP make_pair #define FI first #define SE second using namespace std; typedef double DB; typedef long double LD; typedef long long LL; typedef unsigned long long ULL; typedef pair<int,int> PII; typedef vector<int> VI; typedef vector<PII> VPII; // head int main() { ios::sync_with_stdio(false); cin.tie(nullptr); LL n;int k;cin>>n>>k; for(int i=1;i<=k;i++) { if(n%200==0) n/=200; else n=n*1000+200; } cout<<n<<'\n'; return 0; }
/*Name-Dipesh Location-Somewhere in interstellar W/A is inevitable*/ #include <algorithm> #include <array> #include <cassert> #include<bits/stdc++.h> #include <chrono> #include <cmath> #include <cstring> #include <functional> #include <iomanip> #include <iostream> #include <map> #include<unordered_map> #include <numeric> #include <queue> #include <random> #include <set> #include <vector> #define Super_schnell ios::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); #define test() long long t; cin>>t; while(t--) #define comp(v) v.begin(),v.end() #define sortv(v) sort(comp(v)) #define vecfind(v,key) (find(all(v),key)!=v.end()) #define vecdelp(v,pos) v.erase(v.begin()+pos) #define setfind(v,key) (v.find(key) != v.end()) #define mapfind(m,key) (mp.find(key) != mp.end()) #define print(i) cout<<i<<"\n" #define veccount(v,key) (count(all(v),key)) #define setcount(s,key) (s.count(key)) #define bitcount(i) __builtin_popcount(i) #define int long long #define ull unsigned long long #define db double #define inf 1000000007 #define mod 1000000007 #define veci vector<long long> #define vecs vector<string> #define mp make_pair #define pqueue priority_queue< long long > #define pdqueue priority_queue< long long,vi ,greater< long long > > #define pi 3.14159265358979323846 #define mem(x , v) memset((x) , (v) , sizeof(x)) using namespace std; int gcd(int a,int b){ while(b){ a%=b; swap(a,b); } return a;} int square(int num) { if (num < 0) num = -num; int result = 0, times = num; while (times > 0) { int possibleShifts = 0, currTimes = 1; while ((currTimes << 1) <= times) { currTimes = currTimes << 1; ++possibleShifts; } result = result + (num << possibleShifts); times = times - currTimes; } return result; } char reVal(int num) { if (num >= 0 && num <= 9) return (char)(num + '0'); else return (char)(num - 10 + 'A'); } int32_t main() { int n,k; cin>>n>>k; while(k--) { if(n%200==0) { n=n/200; } else { n=(n*1000)+200; } } cout<<n; }
//The moment you giveup , is the moment you let someone else win!!! #include<bits/stdc++.h> using namespace std; #define int long long #define mod 1000000007 #define PI (3.141592653589) #define seal(x,y) ((x+y-1)/y) #define rep(i,n) for(int i=0;i<n;i++) #define rrep(i,n) for(int i=n-1;i>=0;i--) #define fast ios_base::sync_with_stdio(0),cin.tie(0),cout.tie(0); #define all(x) x.begin(),x.end() int digit_sum(int n){ int sum=0; while(n) sum+=(n%10),n/=10; return sum; } //int digicnt_fact(int n) //{ //if(n<0) return 0; //factorial doesn't exist //if(n<=1) return 1; //base case //double x=((n * log10(n / M_E) +log10(2 * M_PI * n) /2.0)); //Kamenetsky's formula //return floor(x)+1; //} void solve(){ int n;cin>>n; int a[n]; rep(i,n) cin>>a[i]; int ans=0; unordered_map<int,int> m; for(int i=n-1;i>=0;i--) { ans+=(n-1-i-m[a[i]]); m[a[i]]++; } cout<<ans; } int32_t main() { fast int t=1; //cin>>t; while(t--){ solve(); } return 0; }
#include <iostream> #include <string> #include <algorithm> #include <vector> #include <climits> #include <queue> #include <map> #include<stack> #include <cmath> using namespace std; char judge(string Input){ if(Input=="RP" || Input=="PR"||Input =="PP")return 'P'; if(Input=="RS" || Input=="SR"||Input =="RR")return 'R'; if(Input=="PS" || Input=="SP"||Input =="SS")return 'S'; } void solve(){ int n,k; scanf("%d %d",&n,&k); string Input,Output="",temp=""; cin>>Input; while(k>0){ Input = Input + Input; Output=""; for(int i=0;i<Input.length();i+=2){ temp= ""; temp+=Input[i]; temp+=Input[i+1]; Output += judge(temp); } Input=Output; k--; } cout<<Input[0]<<endl; } int main() { int t=1,i=1; //scanf("%d",&t); while(t--){ //cout<<"Case #"<<i<<":"; solve(); i++; } return 0; }
#include<iostream> using namespace std; int main(){ int n;cin>>n; int xy[110][2]={0}; bool f=false; for(int i=0;i<n;++i)cin>>xy[i][0]>>xy[i][1]; for(int i=0;i<n-1;++i){ for(int j=i+1;j<n-1;++j){ for(int k=j+1;k<n;++k){ int x1=xy[i][0]-xy[k][0]; int y1=xy[i][1]-xy[k][1]; int x2=xy[j][0]-xy[k][0]; int y2=xy[j][1]-xy[k][1]; if(x1*y2==x2*y1)f=true; } } } if(f)cout<<"Yes"<<endl; else cout<<"No"<<endl; return 0; }
#include<bits/stdc++.h> #define pb push_back #define mp make_pair #define pf printf #define ff first #define ss second #define sef second.first #define ses second.second #define PI 3.14159265 /// tan inverse = atan(value)*(180/PI) #define ms(a,b) memset(a, b, sizeof(a)) #define lp(i,a,b) for (int i = a; i <= b; i++) #define pii pair <int,int> #define SL(a) scanf("%I64d",&a) #define SLL(a,b) scanf("%I64d %I64d",&a,&b) #define PL(x) printf("%I64d\n",(x)) #define PLL(x,y) printf("%I64d %I64d\n",x,y) #define S(a) scanf("%d",&a) #define SS(a,b) scanf("%d %d",&a,&b) #define P(x) printf("%d\n",(x)) #define PP(x,y) printf("%d %d\n",x,y) using namespace std ; typedef long long ll ; const int imin = 1e9+100; const ll maxx = 1e5+10,mod=1e9+7,imax=1e18+10; int main() { ll n,a=0,b=mod ; cin >> n ; for(int i=1;i<=n;i++) { ll x ; cin >> x ; a = max(x,a); } for(int i=1;i<=n;i++) { ll x ; cin >> x ; b = min(x,b); } ll ans = max(0LL,b-a+1); cout << ans << endl; return 0 ; }
#pragma region include #include <iostream> #include <iomanip> #include <stdio.h> #include <vector> #include <algorithm> #include <cmath> #include <map> #include <set> #include <string> #include <bitset> #include <complex> #include <deque> #include <functional> #include <limits> #include <list> #include <numeric> #include <queue> #include <stack> #include <utility> #include <array> #include <random> #include <tuple> #include <unordered_map> #include <unordered_set> #include <assert.h> using namespace std; typedef long long ll; #define dump(x) cerr << #x << " = " << (x) << " [" << __LINE__ << ":" << __FUNCTION__ << "] " << endl; // vector出力 template < typename T > ostream& operator<<(ostream& os, vector< T >& v) { os << "{"; for (int i = 0; i < (int)v.size(); i++) { os << v[i] << (i < v.size() - 1 ? ", " : ""); } os << "}"; return os; } // pair出力 template < typename T, typename U > ostream& operator<<(ostream& os, const pair< T, U >& p) { return os << "(" << p.first << ", " << p.second << ")"; } // map出力 template < typename T, typename U > ostream& operator<<(ostream& os, const map< T, U >& map_var) { os << "{"; for (auto itr = map_var.begin(); itr != map_var.end(); itr++) { os << "(" << itr->first << ", " << itr->second << ")"; itr++; if (itr != map_var.end()) os << ", "; itr--; } os << "}"; return os; } // set 出力 template < typename T > ostream& operator<<(ostream& os, const set< T >& set_var) { os << "{"; for (auto itr = set_var.begin(); itr != set_var.end(); itr++) { os << *itr; ++itr; if (itr != set_var.end()) os << ", "; itr--; } os << "}"; return os; } #pragma endregion ///////////////////////////////////////// int main() { int n;cin >> n; vector<int> a(n); ll sum = 0; for (int i = 0; i < n; i++) { cin >> a[i]; sum += a[i]; } vector<int> x,y; for (int i = 0; i < n; i++) { int b;cin >> b; if (i & 1) { y.push_back(b-a[i]); } else { x.push_back(b-a[i]); } } sort(x.rbegin(), x.rend()); sort(y.rbegin(), y.rend()); for (int i = 0; i < x.size(); i++) { if (x[i] + y[i] > 0) { sum += x[i] + y[i]; } } cout << sum << endl; return 0; } /////////////////////////////////////////
//#pragma GCC optimize("Ofast") //#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,avx2,fma") //#pragma GCC optimize("unroll-loops") #include<bits/stdc++.h> #define int long long using namespace std; typedef long long ll; //template<class T>T ABS(T x) {return x<0?-x:x;} //int ksm(int x,int y) {int r=1;while(y) y&1?r=1ll*r*x%mod:0,x=1ll*x*x%mod,y>>=1;return r;} //char __buf[1<<20],*__p1,*__p2; //#define getchar() (__p1==__p2?(__p2=__buf+fread(__p1=__buf,1,1<<20,stdin),__p1==__p2?EOF:*__p1++):*__p1++) int read() { int s=0,w=1; char ch=getchar(); while(ch<'0'||ch>'9') {if(ch=='-')w=-1;ch=getchar();} while(ch>='0'&&ch<='9') s=(s<<3)+(s<<1)+(ch^48),ch=getchar(); return s*w; } const int maxn = 2e5+10; //const int mod = ; //struct Edge{int to,next;}a[maxn];int h[maxn],cnt; //void add(int x,int y) {a[++cnt]=(Edge){y,h[x]},h[x]=cnt,a[++cnt]=(Edge){x,h[y]},h[y]=cnt;} //vector<int>G[maxn]; //void add(int x,int y) {G[x].push_back(y),G[y].push_back(x);} struct node{int x,y; }a[maxn<<1];int n,k; bool cmp(node x,node y) {return x.x<y.x;} signed main() { n=read(),k=read(); for(int i=1;i<=n;i++) a[i]=(node){read(),read()}; sort(a+1,a+1+n,cmp); for(int i=1;i<=n;i++) if(k>=a[i].x) { k+=a[i].y; } else break; cout<<k<<'\n'; return 0; }
//#define _GLIBCXX_DEBUG //#include <atcoder/all> #include <bits/stdc++.h> #include <chrono> #include <random> using namespace std; //using namespace atcoder; #define rep(i,n) for (int i = 0;i < (int)(n);i++) using ll = long long; const ll MOD=1000000007; //const ll MOD=998244353; //using mint = modint998244353; //using mint = modint1000000007; const long long INF = 1LL << 60; const double pi=acos(-1.0); int dx[9] = {1, 0, -1, 0, 1, 1, -1, -1, 0}; int dy[9] = {0, 1, 0, -1, 1, -1, -1, 1, 0}; template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); // cout << fixed << setprecision(15); string G="atcoder"; ll T; cin>>T; rep(_,T){ string S; cin>>S; ll N=S.size(); auto MS=S; sort(MS.rbegin(),MS.rend()); if(G>=MS) {cout<<-1<<'\n'; continue;} ll ans=INF; vector<ll> vec(7,-1); rep(i,N){ rep(j,7){ if(S[i]==G[j]&&vec[j]==-1) vec[j]=i; } } //for(auto v:vec) cout<<v<<'\n'; rep(i,8){ ll sans=0; rep(j,i){ if(vec[j]==-1) goto OUT; sans+=abs(vec[j]-j); } int piyo=0; rep(j,N){ int hoge=0; rep(k,i){ if(j==vec[k]) hoge=1; } if(hoge) continue; if(S[j]>(i==7?'a'-1:G[i])){ sans+=abs(j-i); piyo=1; //cout<<i<<' '<<j<<'\n'; break; } } //cout<<i<<' '<<sans<<'\n'; if(piyo) chmin(ans,sans); } OUT:; cout<<ans<<'\n'; } return 0; }
/* Author : Xinyuan */ #include <bits/stdc++.h> using namespace std; #define REP(i, n) for(int i = 0; i < n; i++) #define all(x) (x).begin(), (x).end() typedef pair<int, int> PII; typedef vector<int> VI; typedef vector<string> VS; typedef vector<PII> VII; typedef vector<VI> VVI; typedef long long int ll; const int INF = 1e9 + 7; const int mod = 1e9 + 7; ll powmod(ll a,ll b) {ll res=1;a%=mod; assert(b>=0); for(;b;b>>=1){if(b&1)res=res*a%mod;a=a*a%mod;}return res;} int nxt() {int x;scanf("%d", &x);return x;} int main(){ int w, x, y, z; cin >> w >> x >> y >> z; cout << w * z - x * y; return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i,n) for (int i = 0; i < (n); ++i) template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; } template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; } using ll = long long; using pii = pair<int, int>; ll f(ll n){ if (n % 200 == 0) n /= 200; else n = n * 1000 + 200; return n; } int main(){ ll n,k; cin >> n >> k; rep(i,k) n = f(n); cout << n << endl; }
#include <iostream> #include <string> #include <iomanip> #include <sstream> #include <istream> #include <vector> #include <cmath> #include <algorithm> using namespace std; int max(int, int); int min(int, int); int positiveNum(int); unsigned long long factorial(int); unsigned long long combination(int, int); long long power(int, int); bool between(int, int, int); vector<string> split(string, char); int digit_sum(int); vector<long long> divisors(long long); //cout << fixed << setprecision(15) << y << endl; long long count_comb(long long, long long); int main() { long long n, k; cin >> n >> k; long long count = 0; for(long long i = 2; i <= 2 * n; i++) { if(count_comb(i, n) > 0 && count_comb(i + k, n) > 0) { count += count_comb(i, n) * count_comb(i + k, n); } } cout << count << endl; return 0; } long long count_comb(long long num, long long n) { if(num <= n + 1) { return num - 1; } else { long long ans = n - (num - (n + 1)); if(ans >= 0) { return ans; } else { return 0; } } } //2つの整数のうち大きい方を返す int max(int a, int b) { if(a > b) { return a; } else { return b; } } //2つの整数のうち小さい方を返す int min(int a, int b) { if(a < b) { return a; } else { return b; } } //入力が正ならその値,負なら0を返す int positiveNum(int x) { if(x >= 0) { return x; } else { return 0; } } //階乗 unsigned long long factorial(int n) { unsigned long long ans = 1; for(int i = 1; i <= n; i++) { ans *= i; } return ans; } //mの中からn取る組み合わせの数 unsigned long long combination(int m, int n) { return factorial(m) / (factorial(m-n)*factorial(n)); } //cがaとbの間にあるか bool between(int a, int b, int c) { if(a > b) { int swap; swap = a; a = b; b = swap; } if(a <= c && c <= b) { return true; } else { return false; } } //累乗(long long版) long long power(int x, int y) { long long num = 1; for(int i = 0; i < y; i++) { num *= x; } return num; } //カンマ等で区切られた文字列を要素で分ける vector<string> split(string s, char c) { vector<string> v; stringstream ss{s}; string buf; while(getline(ss, buf, c)) { v.push_back(buf); } return v; } //各桁の和を求める int digit_sum(int x) { int sum = 0; while(x > 0) { sum += x % 10; x /= 10; } return sum; } //Nの約数を求める vector<long long> divisors(long long N) { vector<long long> a; for (long long i = 1; i * i <= N; i++) { if (N % i == 0) { a.push_back(i); if (N/i != i) { a.push_back(N/i); } } } sort(a.begin(), a.end()); return a; }
#include <bits/stdc++.h> #define rep(i, n) for (int i = 0; i < (n); i++) #define rep2(i, a, b) for (int i = (a); i < (b); ++i) #define all(a) (a).begin(), (a).end() using namespace std; using ll = long long int; using P = pair<int, int>; const ll INF_L = 1LL << 60; const int INF_I = 1 << 30; const int MOD = (int)1e9 + 7; const double PI = acos(-1); int dx[] = {1, 0, -1, 0}; int dy[] = {0, -1, 0, 1}; int main() { int n; cin >> n; complex<double> a, b; rep(i, 2) { double x, y; cin >> x >> y; if (!i) a = {x, y}; else b = {x, y}; } auto m = (a + b) / 2.0; auto res = m + (a - m) * polar(1.0, 2.0 * PI / n); printf("%.10f\n%.10f\n", res.real(), res.imag()); return 0; }
#include<bits/stdc++.h> using namespace std; int main(){ int N; cin >> N; vector<int> x(3,0),y(3,0); cin >> x[0] >> y[0]; cin >> x[2] >> y[2]; vector<double> O(2,0); O[0] = (x[0]+x[2])/2.0; O[1] = (y[0]+y[2])/2.0; vector<double> xO(3,0),yO(3,0); for(int i=0;i<3;i++) { xO[i] = x[i] - O[0]; yO[i] = y[i] - O[1]; } xO[1] = cos(2*M_PI/N)*xO[0]-sin(2*M_PI/N)*yO[0]; yO[1] = sin(2*M_PI/N)*xO[0]+cos(2*M_PI/N)*yO[0]; xO[1] = xO[1] + O[0]; yO[1] = yO[1] + O[1]; cout << xO[1] << " " << yO[1] << endl; }
#include <bits/stdc++.h> #define ln '\n' #define all(dat) dat.begin(), dat.end() #define loop(i, to) for (int i = 0; i < to; ++i) #define cont(i, to) for (int i = 1; i <= to; ++i) #define circ(i, fm, to) for (int i = fm; i <= to; ++i) #define foreach(i, dat) for (__typeof(dat.begin()) i = dat.begin(); i != dat.end(); ++i) typedef long long num; using namespace std; const int nsz = 3e5; int n, a[nsz + 5]; num ans, sum[nsz + 5]; map<num, int> cnt; int main() { scanf("%d", &n); cont (i, n) scanf("%d", &a[i]); for (int i = 2; i <= n; i += 2) a[i] = -a[i]; cnt[0] = 1; cont (i, n) { sum[i] = sum[i - 1] + a[i]; ans += cnt[sum[i]]; cnt[sum[i]] += 1; } printf("%lld\n", ans); }
#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") //#pragma warning(disable : 4996) //#define ATCODER #ifdef ATCODER #include<atcoder/all> using namespace atcoder; #endif #include <algorithm> #include <utility> #include <vector> #include <limits.h> #include <math.h> #include <time.h> #include <algorithm> #include <array> #include <bitset> #include <cassert> #include <complex> #include <cstdio> #include <cstring> #include <functional> #include <iomanip> #include <iostream> #include <iterator> #include <map> #include <numeric> #include <queue> #include <random> #include <set> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <vector> #include <cassert> #include <numeric> #include <type_traits> using namespace std; #ifdef _MSC_VER #include"stdafx.h" #include <intrin.h> #define __builtin_popcount __popcnt #define __builtin_popcountll __popcnt64 void debug_out() { cerr << endl; } template <typename Head, typename... Tail> void debug_out(Head H, Tail... T) { cerr << " " << (H); debug_out(T...); } #define DEBUG(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__) #else #define DEBUG(...) 42 #endif #define ll long long #define REP(i, n) for (ll i = 0; i < (n); ++i) #define REPR(i, n) for (ll i = (n) - 1; i >= 0; --i) #define FOR(i, m, n) for (ll i = (m); i < (n); ++i) #define VSORT(v) sort(v.begin(), v.end()); #define VREVERSE(v) reverse(v.begin(), v.end()) #define print(x) cout << (x) << '\n' #define spa <<" "<< #define lb(v, n) lower_bound(v.begin(), v.end(), (n)) #define ub(v, n) upper_bound(v.begin(), v.end(), (n)) #define int long long //#define double long double #define all(x) (x).begin(), (x).end() #define print_space(v) REP(i, v.size()) cout << v[i] << " \n"[i==(int)v.size()-1] template <typename T1, typename T2> inline void chmin(T1 & a, T2 b) { if (a > b) a = b; } template <typename T1, typename T2> inline void chmax(T1& a, T2 b) { if (a < b) a = b; } typedef pair<int, int> pii; typedef pair<long long, long long> pll; std::random_device rd; std::mt19937 mt(rd()); constexpr ll MOD = 998244353; constexpr int MAX = 300050; const double pi = acos(-1); constexpr double EPS = 1e-8; constexpr ll LINF = 1e17 + 1; constexpr int INF = 1e9 + 1; struct UnionFind { int N; vector<int> siz; vector<int> par; vector<int> Rank; UnionFind(int n) : siz(n, 1), par(n), Rank(n, 0) { N = n; for (int i = 0; i < N; i++) par[i] = i; } int find(int x) { if (par[x] == x) { return x; } else { return par[x] = find(par[x]); } } void unite(int x, int y) { x = find(x); y = find(y); if (x == y) return; if (Rank[x] < Rank[y]) { par[x] = y; siz[x] += siz[y]; siz[y] = siz[x]; } else { siz[y] += siz[x]; siz[x] = siz[y]; par[y] = x; if (Rank[x] == Rank[y]) Rank[x]++; } } bool same(int x, int y) { return find(x) == find(y); } }; typedef complex<double> point; void solve() { int N; cin >> N; //UnionFind uf(N + 2); vector<point>ps; REP(i, N) { int x, y; cin >> x >> y; ps.emplace_back(x, y); } double ans = 0; double ok = 0, ng = 200; REP(_, 50) { double mid = (ok + ng) / 2; UnionFind uf(N + 2); REP(i, N)FOR(j, i + 1, N) { if (abs(ps[i] - ps[j]) < 2 * mid)uf.unite(i, j); } REP(i, N) { if (abs(100 - ps[i].imag()) < 2 * mid)uf.unite(i, N); if (abs(-100 - ps[i].imag()) < 2 * mid)uf.unite(i, N + 1); } if (uf.same(N, N + 1))ng = mid; else ok = mid; } cout << setprecision(10) << fixed << ok << endl; } signed main() { cin.tie(0); ios::sync_with_stdio(false); //int q; cin >> q; while (q--) solve(); }
#include <iostream> #include <math.h> #include <vector> #include <string> #include <numeric> #include <unordered_set> using namespace std; int main(){ int h,w; cin >> h >> w; vector<vector<int> > block(h,vector<int>(w)); int min_block; for(int i=0;i<h;i++){ for(int j=0;j<w;j++){ cin >> block[i][j]; min_block = min(min_block,block[i][j]); } } int ans=0; for(int i=0;i<h;i++){ for(int j=0;j<w;j++){ ans += block[i][j]-min_block; } } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int i = 0; i < (n); ++i) template <class T> bool chmin(T& a, T b) { if (a > b) { a = b; return true; } else return false; } int main() { int h, w; cin >> h >> w; int ans = 0; int mx = 101; rep(_, h * w) { int a; cin >> a; chmin(mx, a); ans += a; } ans -= mx * h * w; cout << ans << "\n"s; return 0; }
#include<bits/stdc++.h> #define fast ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); #define endl "\n"; #pragma GCC optimize "trapv" #define sz(v) ((int)(v).size()) const int INF = 1e9; const int mx =1e6+100; const int mod =1e9+7; #define MAX 100005 using namespace std; typedef long long int ll; // for policy based DS #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace __gnu_pbds; // #define ordered_set tree<pair<int,int>, null_type,less<pair<int,int> >, rb_tree_tag,tree_order_statistics_node_update> // #define os_find(k) find_by_order(k) // #define os_order(k) order_of_key(k) // #define ordered_set tree<int, null_type,less<int>, rb_tree_tag,tree_order_statistics_node_update> vector<int>special; unordered_map<int,int>ump; int main() { fast int n; cin>>n; map<int,int>mp; ll ans =0; for(int i=0;i<n;i++) { int x; cin>>x; mp[x]++; ans += (i+1)-mp[x]; } cout<<ans<<endl; return 0; }
#include <iostream> #include <algorithm> #include <vector> using namespace std; int main(void) { int N; cin >> N; vector<string> S; for (int i = 0; i < N; i++) { string s; cin >> s; if (s[0] == '!') { s = s.substr(1, s.size() - 1) + '!'; } S.push_back(s); } sort(S.begin(), S.end()); for (int i = 1; i < N; i++) { if (S[i][S[i].size() - 1] == '!' && S[i].substr(0, S[i].size() - 1) == S[i - 1]) { cout << S[i - 1] << endl; return 0; } } cout << "satisfiable\n"; return 0; }
#include <bits/stdc++.h> //#include <iostream> //#include <vector> //#include <string> #define rep(i, n) for (int i = 0; i < (n); i++) using namespace std; using ll = long long; const ll M = 998244353; ll sum(ll mn, ll mx) { return (mx - mn + 1)*(mn + mx) / 2; } int main() { int t, l, r; cin >> t; rep(i, t) { cin >> l >> r; int mx; mx = r - l - l + 1; mx = max(mx, 0); cout << sum(1, mx) << endl; } }
#include <bits/stdc++.h> using namespace std; int main() { int t; cin>> t; for (int i=0; i<t; i++) { long long l, r; cin>> l >> r; if (r >= 2*l) { cout << (r + 2 - 2 * l) * (r + 1 - 2 * l) / 2 << endl; } else { cout << 0 << endl; } } return 0; }
//****************************Template Begins****************************// // Header Files #include<iostream> #include<iomanip> #include<algorithm> #include<vector> #include<utility> #include<set> #include<unordered_set> #include<list> #include<iterator> #include<deque> #include<queue> #include<stack> #include<set> #include<bitset> #include<random> #include<map> #include<unordered_map> #include<stdio.h> #include<complex> #include<math.h> #include<cstring> #include<chrono> #include<string> // Header Files End using namespace std; #define HARI ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL) #define ll long long #define umap unordered_map #define uset unordered_set #define lb lower_bound #define ub upper_bound #define fo(i,a,b) for(i=a;i<=b;i++) #define all(v) (v).begin(),(v).end() #define all1(v) (v).begin()+1,(v).end() #define allr(v) (v).rbegin(),(v).rend() #define allr1(v) (v).rbegin()+1,(v).rend() #define sort0(v) sort(all(v)) typedef pair<int, int> pii; typedef vector<int> vi; typedef vector<ll> vll; typedef pair<ll, ll> pll; #define max3(a,b,c) max(max((a),(b)),(c)) #define max4(a,b,c,d) max(max((a),(b)),max((c),(d))) #define min3(a,b,c) min(min((a),(b)),(c)) #define min4(a,b,c,d) min(min((a),(b)),min((c),(d))) #define pb push_back #define ppb pop_back #define mkp make_pair #define inf 9999999999999 const ll mod = 1e9 + 7; ll inv(ll i) {if (i == 1) return 1; return (mod - ((mod / i) * inv(mod % i)) % mod) % mod;} ll mod_mul(ll a, ll b) {a = a % mod; b = b % mod; return (((a * b) % mod) + mod) % mod;} ll mod_add(ll a, ll b) {a = a % mod; b = b % mod; return (((a + b) % mod) + mod) % mod;} ll gcd(ll a, ll b) { if (b == 0) return a; return gcd(b, a % b);} ll ceil_div(ll a, ll b) {return a % b == 0 ? a / b : a / b + 1;} ll pwr(ll a, ll b) {a %= mod; ll res = 1; while (b > 0) {if (b & 1) res = res * a % mod; a = a * a % mod; b >>= 1;} return res;} //****************************Template Ends*******************************// int main() { HARI; #ifndef ONLINE_JUDGE freopen("input.txt" , "r" , stdin); freopen("output.txt", "w", stdout); #endif ll t, n, i, j, ans, temp, sum; string sans; t = 1; // cin >> t; while (t--) { sans = "NO"; ans = temp = sum = 0; cin >> n; vll a(n + 1, 0), b(n + 1, 0), c(n + 1, 0), freq(n + 1, 0); fo(i, 1, n) { cin >> a[i]; } fo(i, 1, n) { cin >> b[i]; } fo(i, 1, n) { cin >> c[i]; } fo(i, 1, n) { freq[b[c[i]]]++; } fo(i, 1, n)ans += freq[a[i]]; cout << ans; } return 0; }
#include <bits/stdc++.h> #include <math.h> using namespace std; using ll = long long; using vll = vector<ll>; using vvll = vector<vll>; using vpl = vector<pair<ll, ll>>; using pll = pair<ll, ll>; #define rep(i, k, n) for(ll i = k; i < n; i++) #define pb push_back #define mp make_pair int main(){ string s; cin >> s; vll v(10, 0); rep(i, 0, s.size()){ v[s[i]-48]++; } if(s.size() < 2){ if(stoll(s) == 8) cout << "Yes" << endl; else cout << "No" << endl; } else if(s.size() < 3){ ll x = stoll(s); reverse(s.begin(), s.end()); ll y = stoll(s); if(x % 8 == 0 || y % 8 == 0) cout << "Yes" << endl; else cout << "No" << endl; } else{ bool f = false; rep(i, 1, 10){ if(v[i] < 1) continue; v[i]--; rep(j, 1, 10){ if(v[j] < 1) continue; v[j]--; rep(k, 1, 10){ if(v[k] < 1) continue; v[k]--; if((100*i+10*j+k) % 8 == 0) f = true; v[k]++; } v[j]++; } v[i]++; } if(f) cout << "Yes" << endl; else cout << "No" << endl; } // rep(i, 1, 10){ // cout << i << " " << v[i] << endl; // } }
#include <bits/stdc++.h> using namespace std; #define MS(a, b) memset(a, b, sizeof(a)) #define REP(a, b, c) for (register int a = b, _n = c; a <= _n; ++a) #define DREP(a, b, c) for (register int a = b, _n = c; a >= _n; --a) #define FOR(a, b, c) for (register int a = b, _n = c; a < _n; ++a) #define EREP(a, b) for (register int a = head[b]; a; a = edge[a].nxt) #define ll long long inline int rd() { int x = 0; char c = getchar(); bool f = 0; while (c < '0' && c != '-') c = getchar(); if (c == '-') f = 1, c = getchar(); while (c >= '0') x = (x << 3) + (x << 1) + (c ^ 48), c = getchar(); return f ? -x : x; } const int SIZE = 1e5 + 100; int n, m, t[3]; char Co[10]; vector<ll> V[3]; ll dp[SIZE], pre[SIZE], suf[SIZE]; void _main () { n = rd(); REP (i, 1, 2 * n) { ll x; scanf ("%lld%s", &x, Co); if (Co[0] == 'R') V[0].push_back(x); else if (Co[0] == 'G') V[1].push_back(x); else V[2].push_back(x); } FOR (i, 0, 3) sort(V[i].begin(), V[i].end()); int WTF = 0; FOR (i, 0, 3) if (V[i].size() & 1) t[WTF++] = i; if (WTF == 0) puts("0"); else { n = V[t[0]].size(), m = V[t[1]].size(); ll ans = 1e18; int x = 0; FOR (i, 0, n) { if (x) ans = min(ans, llabs(V[t[0]][i] - V[t[1]][x - 1])); while (x + 1 < m && V[t[1]][x] <= V[t[0]][i]) { ans = min(ans, llabs(V[t[0]][i] - V[t[1]][x])); ++x; } ans = min(ans, llabs(V[t[0]][i] - V[t[1]][x])); } t[2] = 3 ^ t[0] ^ t[1]; int T = V[t[2]].size(); if (T) { x = 0; FOR (i, 0, T) { dp[i] = 1e18; if (x) dp[i] = min(dp[i], llabs(V[t[2]][i] - V[t[1]][x - 1])); while (x + 1 < m && V[t[1]][x] <= V[t[2]][i]) { dp[i] = min(dp[i], llabs(V[t[2]][i] - V[t[1]][x])); ++x; } dp[i] = min(dp[i], llabs(V[t[2]][i] - V[t[1]][x])); } pre[0] = dp[0]; FOR (i, 1, T) pre[i] = min(pre[i - 1], dp[i]); suf[T - 1] = dp[T - 1]; DREP (i, T - 2, 0) suf[i] = min(suf[i + 1], dp[i]); x = 0; FOR (i, 0, T) { dp[i] = 1e18; if (x) dp[i] = min(dp[i], llabs(V[t[2]][i] - V[t[0]][x - 1])); while (x + 1 < n && V[t[0]][x] <= V[t[2]][i]) { dp[i] = min(dp[i], llabs(V[t[2]][i] - V[t[0]][x])); ++x; } dp[i] = min(dp[i], llabs(V[t[2]][i] - V[t[0]][x])); if (i) ans = min(ans, dp[i] + pre[i - 1]); if (i != T - 1) ans = min(ans, dp[i] + suf[i + 1]); } } // 0 1 2; printf ("%lld\n", ans); } } int main () { _main(); return 0; }
#include <bits/stdc++.h> using namespace std; //#include <atcoder/all> //using namespace atcoder; #define rep(i, n) for(int i = 0, i##_len=(n); i < i##_len; ++i) #define all(x) (x).begin(), (x).end() #define len(x) ((int)(x).size()) void _cin() {} template <class Head, class... Tail> void _cin(Head&& head, Tail&&... tail) { cin >> head; _cin(forward<Tail>(tail)...); } #define cin(Type, ...) Type __VA_ARGS__; _cin(__VA_ARGS__) #define cinv(Type, xs, n) vector<Type> xs(n); rep(i, n) cin >> xs[i] #define cinv2(Type, xs, ys, n) vector<Type> xs(n), ys(n); rep(i, n) cin >> xs[i] >> ys[i] #define cinv3(Type, xs, ys, zs, n) vector<Type> xs(n), ys(n), zs(n); rep(i, n) cin >> xs[i] >> ys[i] >> zs[i] #define cinvv(Type, xs, h, w) vector<vector<Type>> xs(h, vector<Type>(w)); rep(i, h) rep(j, w) cin >> xs[i][j] void print() { cout << endl; } template <class Head, class... Tail> void print(Head&& head, Tail&&... tail) { cout << head; if (sizeof...(tail) != 0) cout << " "; print(forward<Tail>(tail)...); } template <class Type> void print(vector<Type> &vec) { for (auto& a : vec) { cout << a; if (&a != &vec.back()) cout << " "; } cout << endl; } template <class Type> void print(vector<vector<Type>> &df) { for (auto& vec : df) { print(vec); } } void YESNO(bool b) { cout << (b ? "YES" : "NO") << endl; } void YesNo(bool b) { cout << (b ? "Yes" : "No") << endl; } void yesno(bool b) { cout << (b ? "yes" : "no") << endl; } template<class Integer>bool chmax(Integer &a, const Integer &b) { if (a < b) { a = b; return 1; } return 0; } template<class Integer>bool chmin(Integer &a, const Integer &b) { if (b < a) { a = b; return 1; } return 0; } using ll = long long; using P = pair<int, int>; int fs = 10000; int n; vector<int> x(200), y(200), r(200), a(200), b(200), c(200), d(200); vector<int> id(200); void show() { } void mset(int i, int _a, int _b, int _c, int _d) { a[i] = _a; b[i] = _b; c[i] = _c; d[i] = _d; } int area(int i) { return (c[i] - a[i])*(d[i] - b[i]); } bool check() { rep(i, n) { if (a[i] < 0 || fs < c[i] || b[i] < 0 || fs < d[i])return false; rep(j, n) { if (i == j)continue; if ((a[i] < c[j]) && (a[j] < c[i]) && (b[i] < d[j]) && (b[j] < d[i]))return false; } } return true; } void Main() { rep(i, n) { int pc = c[id[i]], pd = d[id[i]]; int ok = 0, ng = fs; while (ng - ok > 1) { int wj = (ok + ng) / 2; c[id[i]] = pc + wj; d[id[i]] = pd + wj; if (check())ok = wj; else ng = wj; } c[id[i]] = pc + ok; d[id[i]] = pd + ok; if (r[id[i]] < area(id[i])) { int s = (int)sqrt(r[id[i]]); c[id[i]] = a[id[i]] + s; d[id[i]] = b[id[i]] + s; } int pa = a[id[i]], pb = b[id[i]]; ok = 0, ng = fs; while (ng - ok > 1) { int wj = (ok + ng) / 2; a[id[i]] = pa - wj; b[id[i]] = pb - wj; if (check())ok = wj; else ng = wj; } a[id[i]] = pa - ok; b[id[i]] = pb - ok; if (r[id[i]] < area(id[i])) { int s = (int)sqrt(r[id[i]]); a[id[i]] = c[id[i]] - s; b[id[i]] = d[id[i]] - s; } } } signed main() { cin.tie(0); ios::sync_with_stdio(false); //cout << fixed << setprecision(16); //int t; cin >> t; while (t--) cin >> n; vector<P> ri(n); rep(i, n) cin >> x[i] >> y[i] >> ri[i].first; rep(i, n)r[i] = ri[i].first; rep(i, n) ri[i].second = i; sort(ri.rbegin(), ri.rend()); rep(i, n)id[i] = ri[i].second; rep(i, n) mset(i, x[i], y[i], x[i] + 1, y[i] + 1); Main(); rep(i, n) { print(a[i], b[i], c[i], d[i]); } show(); }
#define _CRT_SECURE_NO_WARNINGS #include<iostream> #include<sstream> #include<cstdio> #include<cstdlib> #include<cstring> #include<climits> #include<cmath> #include<string> #include<vector> #include<set> #include<map> #include<queue> #include<numeric> #include<functional> #include<algorithm> #include<bitset> #include<tuple> #include<unordered_set> #include<unordered_map> #include<random> #include<array> #include<cassert> using namespace std; #define INF ((1<<30)-1) #define rep(i,n) for(int i=0;i<(int)(n);i++) #define all(v) v.begin(),v.end() struct TrieNode{ int n = 0; long long sum = 0; TrieNode* l = nullptr, * r = nullptr; }; class Trie { public: Trie() { root = new TrieNode(); } void insert(int x) { TrieNode* t = root; for (int i = 30; i >= 0; i--) { t->n++; t->sum += x; if (x >> i &1) { if (t->r == nullptr) t->r = new TrieNode; t = t->r; } else { if (t->l == nullptr) t->l = new TrieNode; t = t->l; } } t->n++; t->sum += x; } void erase(int x) { TrieNode* t = root; for (int i = 30; i >= 0; i--) { t->n--; t->sum -= x; if (x >> i & 1) { t = t->r; } else { t = t->l; } } t->n--; t->sum -= x; } pair<int, long long> query(int x) const{ pair<int, long long > ret(0, 0); TrieNode* t = root; for (int i = 30; i >= 0; i--) { if (t == nullptr)break; if (x >> i & 1) { if (t->l) { ret.first += t->l->n; ret.second += t->l->sum; } t = t->r; } else { t = t->l; } } return ret; } private: TrieNode* root; }; int main() { ios::sync_with_stdio(0); cin.tie(0); int n, m, q; cin >> n >> m >> q; vector<int> a(n, 0), b(m, 0); Trie ta, tb; rep(i, n) ta.insert(0); rep(i, m)tb.insert(0); long long ans = 0; rep(_, q) { int t, x, y; cin >> t >> x >> y; x--; if (t == 1) { auto p = tb.query(a[x]); ans -= (long long)p.first * a[x]; ans += p.second; p = tb.query(y); ans += (long long)p.first * y; ans -= p.second; ta.erase(a[x]); ta.insert(y); a[x] = y; } else { auto p = ta.query(b[x]); ans -= (long long)p.first * b[x]; ans += p.second; p = ta.query(y); ans += (long long)p.first * y; ans -= p.second; tb.erase(b[x]); tb.insert(y); b[x] = y; } cout << ans << endl; } return 0; }
#include <vector> #include <algorithm> #include <map> #include <cstdio> #include <cstdlib> template <class E> struct FenwickTree { int _n; std::vector<E> data; FenwickTree(int n) : _n(n), data(n) { } void add(int p, E x) { ++p; while (p <= _n) { data[p - 1] += x; p += p & -p; } } E sum(int r) const { E s = 0; while (r > 0) { s += data[r - 1]; r -= r & -r; } return s; } E sum(int l, int r) const { return sum(r) - sum(l); } }; long long proc( std::vector<int> &cur, int x, int y, FenwickTree<int> &ftcnt0, FenwickTree<long long> &ftsum0, const FenwickTree<int> &ftcnt1, const FenwickTree<long long> &ftsum1, const std::vector<int> &arr) { int v = cur[x]; long long dem = (long long)ftcnt1.sum(0, v) * arr[v]; long long cre = (long long)ftcnt1.sum(0, y) * arr[y]; long long adj = (long long)ftsum1.sum(y, v); ftsum0.add(v, -arr[v]); ftcnt0.add(v, -1); cur[x] = y; ftsum0.add(y, arr[y]); ftcnt0.add(y, 1); return cre + adj - dem; } static char buf[2000000]; int ptr = 0; int len = 0; void init() { len = fread(buf, 1, sizeof buf, stdin); ptr = 0; } int myread() { int acc = 0; if (len <= ptr) init(); while (buf[ptr] < '0' | buf[ptr] > '9') { ptr++; if (len <= ptr) init(); } while (buf[ptr] >= '0' && buf[ptr] <= '9') { acc = acc * 10 + buf[ptr] - '0'; ptr++; if (len <= ptr) init(); } return acc; } int main(int argc, char **argv) { int n = myread(), m = myread(), q = myread(); std::vector<int> ta(q), xa(q), ya(q), arr(q + 1); for (int i = 0; i < q; i++) { ta[i] = myread(); xa[i] = myread(); ya[i] = myread(); arr[i + 1] = ya[i]; xa[i]--; } std::sort(arr.begin(), arr.end()); std::map<int, int> map; int ll = 0; map.emplace(0, 0); for (int ii = 1; ii <= q; ii++) { if (arr[ii] != arr[ll]) { ++ll; arr[ll] = arr[ii]; map.emplace(arr[ii], ll); } } ++ll; FenwickTree<long long> ftsuma(ll); FenwickTree<long long> ftsumb(ll); FenwickTree<int> ftcnta(ll); FenwickTree<int> ftcntb(ll); std::vector<int> cura(n); std::vector<int> curb(m); ftcnta.add(0, n); ftcntb.add(0, m); long long sum = 0; for (int i = 0; i < q; i++) { int cy = map[ya[i]]; sum += (ta[i] == 1) ? proc(cura, xa[i], cy, ftcnta, ftsuma, ftcntb, ftsumb, arr) : proc(curb, xa[i], cy, ftcntb, ftsumb, ftcnta, ftsuma, arr); printf("%lld\n", sum); } return 0; }
#include<cstdio> #include<algorithm> const int Q=200005; typedef long long ll; #define rg register int //char buf[1<<21],*p1=buf,*p2=buf; //#define gc() (p1==p2&&(p2=(p1=buf)+fread(buf,1,1<<21,stdin),p1==p2)?EOF:*p1++) #define gc() getchar() inline bool ig(char c){return c>=48&&c<=57;} inline void read(int &oi){char c;int f=1,res=0;while(c=gc(),(!ig(c))&&c^'-');c^'-'?res=(c^48):f=-1;while(c=gc(),ig(c))res=res*10+(c^48);oi=f*res;} inline void print(int oi){if(oi<0)putchar('-'),oi=~oi+1;if(oi>9)print(oi/10);putchar(oi%10+48);} inline void write(int oi,char c){print(oi);putchar(c);} int n,m,col[Q],prt[Q],rt[Q]; namespace VSgt{ struct sgt{int ls,rs,sze;}t[Q<<5];int tot; inline void update(int x){t[x].sze=t[t[x].ls].sze+t[t[x].rs].sze;} inline void modify(int l,int r,int q,int &x){ if(q>r||l>q)return;if(!x)x=++tot;if(l==r)return void(++t[x].sze);int mid=l+r>>1; modify(l,mid,q,t[x].ls);modify(mid+1,r,q,t[x].rs);update(x); } inline int merge(int x,int y,int l,int r){ if(!x||!y)return x|y;if(l==r){t[x].sze+=t[y].sze;return x;} int mid=l+r>>1;t[x].ls=merge(t[x].ls,t[y].ls,l,mid); t[x].rs=merge(t[x].rs,t[y].rs,mid+1,r);update(x);return x; } inline int query(int l,int r,int q,int x){ if(q>r||l>q||!x)return 0;if(l==r)return t[x].sze;int mid=l+r>>1; return query(l,mid,q,t[x].ls)+query(mid+1,r,q,t[x].rs); } }using namespace VSgt; inline int gfa(int x){return x^prt[x]?prt[x]=gfa(prt[x]):x;} inline void merge(int x,int y){ x=gfa(x);y=gfa(y);if(x==y)return;prt[x]=y;rt[y]=merge(rt[y],rt[x],1,n); } inline int query(int x,int y){ x=gfa(x);return query(1,n,y,rt[x]); } int main(){ read(n);read(m); for(rg i=1;i<=n;++i)read(col[i]); for(rg i=1;i<=n;++i)prt[i]=i,modify(1,n,col[i],rt[i]); for(rg i=1;i<=m;++i){ int opt,x,y;read(opt);read(x);read(y); if(opt==1)merge(x,y);else write(query(x,y),'\n'); } return 0; }
#line 2 "/home/defineprogram/Desktop/Library/template/template.cpp" #include<bits/stdc++.h> using namespace std; #define ll long long #define rep(i,n) for(ll i=0;i<n;i++) #define REP(i,n) for(ll i=1;i<n;i++) #define rev(i,n) for(ll i=n-1;i>=0;i--) #define all(v) v.begin(),v.end() #define P pair<ll,ll> #define len(s) (ll)s.size() template<class T,class U> inline bool chmin(T &a, U b){ if(a>b){a=b;return true;} return false; } template<class T,class U> inline bool chmax(T &a, U b){ if(a<b){a=b;return true;} return false; } constexpr ll inf = 3e18; #line 3 "/home/defineprogram/Desktop/Library/math/modint.cpp" template<int MOD> struct mint{ int32_t n; mint():n(0){} mint(ll x):n(x>=0?x%MOD:(MOD-(-x)%MOD)%MOD){} mint &operator+=(const mint &p){ if((n+=p.n)>=MOD)n-=MOD; return *this; } mint &operator-=(const mint &p){ if((n+=MOD-p.n)>=MOD)n-=MOD; return *this; } mint &operator*=(const mint &p){ n=1ll*n*p.n%MOD; return *this; } mint &operator/=(const mint &p){ *this*=p.inverse(); return *this; } mint operator-()const{return mint(-n);} mint operator+(const mint &p)const{return mint(*this)+=p;} mint operator-(const mint &p)const{return mint(*this)-=p;} mint operator*(const mint &p)const{return mint(*this)*=p;} mint operator/(const mint &p)const{return mint(*this)/=p;} bool operator==(const mint &p)const{return n==p.n;} bool operator!=(const mint &p)const{return n!=p.n;} friend ostream &operator<<(ostream &os,const mint &p){ return os<<p.n; } friend istream &operator>>(istream &is,mint &p){ int x;is>>x; p=mint(x); return is; } mint pow(int64_t x)const{ mint res(1),mul(n); while(x>0){ if(x&1)res*=mul; mul*=mul; x>>=1; } return res; } mint inverse()const{ return pow(MOD-2); } }; /* @brief mod int @docs docs/modint.md */ #line 3 "main.cpp" int par[200005],siz[200005]; map<int,int>mp[200005]; int find(int x){ if(par[x]==x)return x; return par[x]=find(par[x]); } void merge(int x,int y){ x=find(x),y=find(y); if(x==y)return; if(siz[x]<siz[y])swap(x,y); for(auto i:mp[y])mp[x][i.first]+=i.second; siz[x]+=siz[y];par[y]=x; } int N,Q; int main(){ cin.tie(0);ios::sync_with_stdio(false); cin>>N>>Q; rep(i,N){ int a;cin>>a;mp[i][a]++;par[i]=i;siz[i]=1; } while(Q--){ int t;cin>>t; if(t==1){ int a,b;cin>>a>>b;a--;b--; merge(a,b); }else { int a,b;cin>>a>>b;a--; cout<<mp[find(a)][b]<<"\n"; } } }
#include<bits/stdc++.h> using namespace std; typedef long long ll; #define For(i,n,k) for(int i=(n);i<(k);i++) #define ALL(a) (a).begin(),(a).end() ll ans = 0; void Main(){ using P = pair<int, int>; int a, b, x, y; cin >> a >> b >> x >> y; a--; b--; vector<vector<P>> graph(200); For(i,0,100){ graph[i].push_back({i + 100, x}); graph[i + 100].push_back({i , x}); } For(i,0,99){ graph[i + 1].push_back({i + 100, x}); graph[i + 100].push_back({i + 1 , x}); } For(i,0,99){ graph[i].push_back({i + 1, y}); graph[i + 1].push_back({i, y}); graph[i + 100].push_back({i + 101, y}); graph[i + 101].push_back({i + 100, y}); } vector<int> dist(200, 1e9); dist[a] = 0; stack<P> st; st.push({a , 0}); while(!st.empty()){ auto [now, d] = st.top(); st.pop(); for(auto to : graph[now]){ if(dist[to.first] > d + to.second){ dist[to.first] = d + to.second; st.push({to.first, dist[to.first]}); } } } cout << dist[b + 100] << endl; } int main(){ Main(); /* 東方風神録は神が出てくるので当然神ゲー */ return 0; }
#include <bits/stdc++.h> using namespace std; #define rep(i, n) for (int(i) = 0; (i) < (n); (i)++) #define ll long long #define ld long double #define all(a) (a).begin(), (a).end() #define mk make_pair #define pp pair<int, int> ll MOD = 1000000007; ll mod = 998244353; int inf = 2000001000; ll INF = 1e18 + 5; int main() { int n; cin >> n; vector<pair<ld,ld>> a(n); rep(i,n){ ld f,g,h; cin >> f >> g >> h; if (f==1) a[i]=mk(g,h); if (f==2) a[i]=mk(g,h-0.1); if (f==3) a[i]=mk(g+0.1,h); if (f==4) a[i]=mk(g+0.1,h-0.1); } int ans=0; rep(i,n){ for (int j=i+1;j<n;j++){ if (!(a[i].first>a[j].second || a[i].second<a[j].first)) {ans++;} } } cout << ans << endl; }
#pragma warning (disable:4996) #include <stdio.h> #include <stdlib.h> #include <math.h> #include <time.h> #define ll long long #define REP(i, n) for(ll i = 0; i < n; i++) #define SET(a) ll a = 0; (void)scanf("%lld", &a); /* ll cutLog(ll); ll sum(ll); */ ll cutLogNew(ll); int main() { SET(n); if (n == 1 || n == 2)printf("1"); else printf("%lld", n - cutLogNew(n) + 1); return 0; } /* ll cutLog(ll n) { ll ans; REP(i, n + 1) { if (sum(i + 1) > n + 1) { ans = i; break; } } return ans; } ll sum(ll n) { ll sum = 0; REP(i, n) { sum += (i + 1); } return sum; } */ ll cutLogNew(ll n) { ll ans = 0; ll m = n + 1; REP(i, n) { m -= (i + 1); if (m < 0) { ans = i; break; } } return ans; }
#include <iostream> #include <iomanip> #include <vector> #include <string> #include <algorithm> #include <numeric> #include <cmath> using namespace std; typedef long long ll; typedef unsigned long long ull; const long double PI = (acos(-1)); const long long MOD = 1000000007; static const int MAX_INT = std::numeric_limits<int>::max(); // 2147483647 = 2^31-1 static const long MAX_LONG = std::numeric_limits<long>::max(); static const ll MAX_LL = std::numeric_limits<long long>::max(); static const int INF = (1 << 28); #define rep(i,n) REP(i,0,n) #define REP(i,x,n) for(int i=x;i<n;++i) /////////////////////////////////////////////////// // ------------------- utils ------------------- // /////////////////////////////////////////////////// // change min/max template<class T> inline bool chMin(T& a, T b) { if (a > b) { a = b; return true; } return false; } template<class T> inline bool chMax(T& a, T b) { if (a < b) { a = b; return true; } return false; } ull sumN(const ull N) { ull ans; if (N % 2 == 0) { ans = N /2; ans *= (N+1); } else { ans = (N+1) /2; ans *= N; } return ans; } /////////////////////////////////////////////////// // ------------------- main -------------------- // /////////////////////////////////////////////////// void Main() { ull N; cin >> N; ull ok = 0; ull ng = 10e10; while ((ng - ok) > 1) { ull mid = (ok+ng) / 2; ull sum = sumN(mid); if (sum > (N + 1) ) { ng = mid; } else { ok = mid; } } cout << N + 1 - ok << endl; } int main() { std::ios::sync_with_stdio(false); std::cin.tie(0); std::cout << std::fixed << std::setprecision(15); Main(); double tmp; cin >> tmp; return 0; }
#include<iostream> #include<algorithm> #include<vector> #include<iomanip> #include<cmath> #include<map> using namespace std; #define rep(i,N) for(ll i=0;i<N;i++) //0から typedef long long ll; ll binary_search(vector<ll> a, ll n, ll key){ ll right = n, left = -1; ll md = (right + left) / 2; while(right - left > 1){ if(a[md] <= key){ right = md; }else{ left = md; } md = (right + left) / 2; } if(left == -1) return -1; //無い場合 return right; } vector<ll> prime; void Prime(ll n){ //線形篩,素数列挙 vector<ll> p(n,0); p[0]=1; p[1]=1; for(ll i=2;i<n;i++){ if(p[i]==0){ prime.push_back(i); p[i]=i; } ll k=prime.size(); for(ll j=0;j<k && i*prime[j]<n && prime[j]<=p[i];j++){ p[i*prime[j]]=prime[j]; } } } ll gcd(ll a,ll b){ if(a<b){ swap(a,b); } //a>=b ll r=a%b; while(r!=0){ a=b; b=r; r=a%b; } return b; } ll modexp(ll x, ll a, ll m){ //x^a mod m ll ret = 1; while (a > 0) { if (a & 1) ret = ret * x % m; // n の最下位bitが 1 ならば x^(2^i) をかける x = x * x % m; a >>= 1; // n を1bit 左にずらす } return ret; } ll modinv(ll a, ll m){ //a^{-1} mod m ll b=m,u=1,v=0; while(b){ ll t=a/b; a-=t*b; swap(a,b); u-=t*v; swap(u,v); } u=(u+m)%m; return u; } #define MOD ((ll)1e+9 + 7) ll dp[100][10000]; //cout<<fixed<<setprecision(10); int main(){ int n,a,b; cin>>n>>a>>b; cout<<max(0,n-a+b)<<endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main() { int N,A,B; cin>>N>>A>>B; cout<<N-A+B<<endl; }
// Problem: B - Special Subsets // Contest: AtCoder - AtCoder Regular Contest 114 // URL: https://atcoder.jp/contests/arc114/tasks/arc114_b // Memory Limit: 1024 MB // Time Limit: 2000 ms // // Powered by CP Editor (https://cpeditor.org) // By AmmarDab3an - Aleppo University #include "bits/stdc++.h" using namespace std; //#define int int64_t //#define lli int64_t typedef unsigned int uint; typedef long long int lli; typedef unsigned long long ull; typedef pair<int, int> pii; typedef pair<lli, lli> pll; typedef pair<int, pii> iii; typedef pair<lli, pll> lll; typedef vector<int> vi; typedef vector<lli> vl; typedef vector<pii> vpii; typedef vector<pll> vpll; #define endl '\n' #define fastIO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define freopenI freopen("input.txt", "r", stdin); #define freopenO freopen("output.txt", "w", stdout); const int INF = 0x3f3f3f3f; const lli INFLL = 0x3f3f3f3f3f3f3f3f; const int MOD = 998244353; const double EPS = 1e-9; const double PI = acos(-1); const int MAX = 2e5 + 10; const int NMAX = 2e5 + 10; const int MMAX = 2e5 + 10; inline int add(int a, int b){ return ((lli) a + b + MOD + MOD) % MOD; } inline int mul(int a, int b){ return ((lli) a * b) % MOD; } int fast_pow(int n, int p){ if(!p) return 1; if(p&1) return mul(n, fast_pow(n, p-1)); int tmp = fast_pow(n, p/2); return mul(tmp, tmp); } int32_t main(){ fastIO; #ifdef LOCAL freopenI; freopenO; #endif int n; cin >> n; vi vec(n); for(auto &i : vec) cin >> i; for(auto &i : vec) i--; vi vis(n); int vid = 1; int cnt = 0; for(int i = 0; i < n; i++) if(!vis[i]){ cnt++; vid++; int t = i; while(true){ if(vis[t] == vid) break; if(vis[t]){ cnt--; break; } vis[t] = vid; t = vec[t]; } } cout << add(fast_pow(2, cnt), -1) << endl; }
#pragma GCC optimize("O3") // #include <bits/stdc++.h> using namespace std; #define rep(i, a, b) for(int i = a; i < (b); ++i) #define per(i, b, a) for(int i = b - 1; i >= a; i--) #define trav(a, x) for(auto& a : x) #define all(x) x.begin(), x.end() #define sz(x) (int)(x).size() typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; typedef vector<int> vi; typedef vector<ll> vl; typedef long double ld; typedef unsigned long long ull; unsigned seed = chrono::system_clock::now().time_since_epoch().count(); mt19937 eng(seed); ll random2(){ return (1ll << 31ll)*eng()+eng(); } ll n,m,k,q,T; const ll big = 1000000007; const ll big2 = 1000000009; const ll mod = 998244353; const int MAXN = 400001; vector<int> prio = {0,1,2}; vector<vl> A(3, vl()); ll score(int i, int j){ vector<pll> hej; trav(a, A[i]){ hej.push_back({a, 0}); } trav(a, A[j]){ hej.push_back({a, 1}); } sort(all(hej)); ll ans = big*big; rep(c1,0,sz(hej)-1){ if(hej[c1].second != hej[c1+1].second){ ans = min(ans, hej[c1+1].first-hej[c1].first); } } return ans; } int main() { ios_base::sync_with_stdio(0); cin.tie(0); //freopen("fhc.txt","r",stdin); //freopen("autput.txt","w",stdout); ll a,b,c,d,e; cin >> n; rep(c1,0,2*n){ char ch; cin >> a >> ch; b = 0; if(ch == 'G')b = 1; if(ch == 'B')b = 2; A[b].push_back(a); } ll ans = big*big; rep(_,0,6){ ll F[3] = {0,0,0}; rep(c1,0,3){ F[c1] = sz(A[prio[c1]]); } ll temp = 0; rep(c1,0,2){ if(F[c1]%2 == 1){ temp += score(prio[c1], prio[c1+1]); F[c1+1]--; } } ans = min(ans, temp); next_permutation(all(prio)); } cout << ans << "\n"; return 0; }
#include <bits/stdc++.h> using namespace std; typedef long long ll; #define REP(i,n) for(ll i=0;i<ll(n);i++) #define REPD(i,n) for(ll i=n-1;i>=0;i--) #define FOR(i,a,b) for(ll i=a;i<=ll(b);i++) #define FORD(i,a,b) for(ll i=a;i>=ll(b);i--) #define FORA(i,I) for(const auto& i:I) #define ALL(x) x.begin(), x.end(); #define SIZE(x) ll(x.size()) #define CHMIN(x,y) x = min(x, (y)) #define CHMAX(x,y) x = max(x, (y)) #define YES(b) cout << ((b) ? "Yes" : "No") << endl int main() { int n, i = 1, save = 0; cin >> n; while (save < n) { save +=i; i++; } cout << --i << endl; return 0; }
#include <bits/stdc++.h> using namespace std; int main(){ int n; int sum=0; cin >> n; for(int i=1; ;i++){ if(((i*i+i)/2)>= n){ cout << i<<endl; break; } } }
#include <bits/stdc++.h> using namespace std; #define fori(i , a ,b) for (int q = i ; q < a; q +=b ) #define vi vector<int> typedef long long ll; const int maxc = 1e9; void solve() { //ifstream fin("breedflip.in"); //ofstream fout("breedflip.out"); int a=0, b=0; cin >> a >> b; int aa =0, bb=0; while (a>=10) {aa+=a%10;a/=10;} while (b>=10) {bb+=b%10;b/=10;} cout << max(aa+a,bb+b) << "\n"; } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); solve(); return 0; }
#include <bits/stdc++.h> using namespace std; inline int S(string n) { return (n[0] - '0') + (n[1] - '0') + (n[2] - '0'); } int main() { string A, B; cin >> A >> B; cout << max(S(A), S(B)) << '\n'; return 0; }
#include<cstdio> #include<algorithm> #include<cctype> #include<set> using namespace std; #define G getchar() int read() { int x=0; char ch=G; for (;!isdigit(ch);ch=G); for (;isdigit(ch);ch=G) x=(x<<3)+(x<<1)+(ch^48); return x; } #undef G typedef long long ll; int n,L; //[0,L] int w[100010],t[100010]; set<int> st; int que[100010],hd,tl; ll ans; int dir[100010]; int main() { n=read(),L=read()-n; for (int i=1;i<=n;i++) w[i]=read()-i; set<int>(w+1,w+n+1).swap(st); st.insert(0); st.insert(L); for (int i=1;i<=n;i++){ int x=t[i]=read()-i; if (!st.count(x)) return puts("-1"),0; } // for (int i=1;i<=n;i++) printf("%d: %d %d\n",i,w[i],t[i]); for (int i=1;i<=n;i++) if (t[i]<w[i]) dir[i]=-1; else if (t[i]>w[i]) dir[i]=1; for (int i=1,j;i<=n;i=j+1){ for (j=i;j<n&&dir[j+1]==dir[j];j++); // printf("solve %d %d: %d\n",i,j,dir[i]); if (dir[i]==0) continue; if (dir[i]==1){ hd=tl=0; for (int u=i,v;u<=j;u=v+1){ for (v=u;v<j&&w[v+1]==w[v];v++); for (int e=u;e<=v;e++) que[++tl]=e; bool flg=0; while (hd<tl&&t[que[hd+1]]==w[u]) flg=1,hd++; if (flg) ans+=tl-hd; else ans+=v-u+1; } } else{ hd=tl=0; for (int u=j,v;u>=i;u=v-1){ for (v=u;v>i&&w[v-1]==w[v];v--); for (int e=u;e>=v;e--) que[++tl]=e; bool flg=0; while (hd<tl&&t[que[hd+1]]==w[u]) flg=1,hd++; if (flg) ans+=tl-hd; else ans+=u-v+1; } } } printf("%lld\n",ans); return 0; }
#include <bits/stdc++.h> #define FAST ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL); #pragma GCC optimize("Ofast") #pragma GCC target("avx,avx2,fma") #define ll long long int #define ld long double #define vll vector<ll> #define vvll vector<vector<ll>> #define vpll vector<pair<ll,ll>> #define prqueue priority_queue<ll,vector<ll>,greater<ll>>// top=small #define pb push_back #define pf push_front #define ppb pop_back #define ppf pop_front #define ff first #define ss second #define all(v) v.begin(), v.end() #define f0(i,n) for(i=0;i<n;i++) #define f1(i,n) for(i=1;i<=n;i++) #define fab(i,a,b) for(i=a;i<=b;i++) #define f0r(i,n) for(i=n-1;i>=0;i--) #define f1r(i,n) for(i=n;i>=1;i--) #define fabr(i,a,b) for(i=b;i>=a;i--) #define memo(a,b) memset(a,b,sizeof(a)) #define display(x) {for(auto dsp:x)cout<<dsp<<" ";cout<<"\n";} #define hi cout<<"hi\n" #define yes cout<<"Yes\n" #define no cout<<"No\n" #define ln "\n" using namespace std; const ld pi=acos(-1);const ll mod=1e9+7;bool debug=false; int main() {FAST;ll t=1,n,i,j,k,len,x,y,z,c,f,flag,p,q,mx,mn,l,r,sum,ans,tmp,it,pos,avg,m,cnt; string s;char ch;vll v;vpll vec;unordered_map<ll,ll> mappu;pair<ll,ll> pr; // cin>>t;while(t--) { n=3;//3 f=0;sum=0;flag=0;ans=0;cnt=0;v.clear();mappu.clear();vec.clear(); ll a[n]; f0(i,n) { cin>>tmp; a[i]=tmp; // mappu[tmp]++; } sort(a,a+n); if(a[2]-a[1]==a[1]-a[0]) yes; else no; // cout<<ans<<ln; } return 0; } // Either be on top or leave this crap..
#include<iostream> #include<iomanip> #include<vector> #include<string> #include<cmath> #define rep(i, start, end) for (int i = (int)start; i < (int)end; ++i) #define rrep(i, start, end) for (int i = (int)start - 1; i >= (int)end; --i) #define all(x) (x).begin(), (x).end() using namespace std; using ll = long long; template<typename T> inline bool chmax(T& a, T b) {if (a < b) {a = b; return true;} return 0;} template<typename T> inline bool chmin(T& a, T b) {if (a > b) {a = b; return true;} return 0;} class UnionFind { private: vector<int> parent_; vector<int> node_rank_; vector<int> sizes_; public: UnionFind(int node_num): parent_(vector<int>(node_num)), node_rank_(vector<int>(node_num)), sizes_(vector<int>(node_num)) { for (int i = 0; i < node_num; ++i) { parent_[i] = i; node_rank_[i] = 0; sizes_[i] = 1; } } int getRoot(int u) { return parent_[u] == u ? u : parent_[u] = getRoot(parent_[u]); } bool isSame(int u, int v) { return getRoot(u) == getRoot(v); } void unite(int u, int v) { u = getRoot(u); v = getRoot(v); if (u == v) return; if (node_rank_[u] < node_rank_[v]) { parent_[u] = v; sizes_[v] += sizes_[u]; } else { parent_[v] = u; sizes_[u] += sizes_[v]; if (node_rank_[u] == node_rank_[v]) { node_rank_[u]++; } } } int getSize(int u) { return sizes_[getRoot(u)]; } }; int main() { cin.tie(0); ios::sync_with_stdio(false); int N; cin >> N; vector<double> X(N), Y(N); rep(i, 0, N) { cin >> X[i] >> Y[i]; } double l = 0, r = 101; rep(_, 0, 100) { double mid = (r + l) / 2; UnionFind uf(N + 2); rep(i, 0, N) { if (Y[i] + mid > 100 - mid) { uf.unite(i, N); } if (Y[i] - mid < -100 + mid) { uf.unite(i, N + 1); } rep(j, i + 1, N) { if (pow(X[i] - X[j], 2) + pow(Y[i] - Y[j], 2) < 4 * mid * mid) { uf.unite(i, j); } } } if (uf.isSame(N, N + 1)) { r = mid; } else { l = mid; } } cout << fixed << setprecision(5) << l << endl; return 0; }
#include <bits/stdc++.h> using namespace std; #define LOCAL #pragma region Macros typedef long long ll; #define ALL(x) (x).begin(),(x).end() const long long MOD=1000000007; // const long long MOD=998244353; const int INF=1e9; const long long IINF=1e18; const int dx[4]={1,0,-1,0},dy[4]={0,1,0,-1}; const char dir[4]={'D','R','U','L'}; template<typename T> istream &operator>>(istream &is,vector<T> &v){ for (T &x:v) is >> x; return is; } template<typename T> ostream &operator<<(ostream &os,const vector<T> &v){ for (int i=0;i<v.size();++i){ os << v[i] << (i+1==v.size()?"": " "); } return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const pair<T,U> &p){ os << '(' << p.first << ',' << p.second << ')'; return os; } template<typename T,typename U> ostream &operator<<(ostream &os,const map<T,U> &m){ os << '{'; for (auto itr=m.begin();itr!=m.end();++itr){ os << '(' << itr->first << ',' << itr->second << ')'; if (++itr!=m.end()) os << ','; --itr; } os << '}'; return os; } template<typename T> ostream &operator<<(ostream &os,const set<T> &s){ os << '{'; for (auto itr=s.begin();itr!=s.end();++itr){ os << *itr; if (++itr!=s.end()) os << ','; --itr; } os << '}'; return os; } void debug_out(){cerr << '\n';} template<class Head,class... Tail> void debug_out(Head&& head,Tail&&... tail){ cerr << head; if (sizeof...(Tail)>0) cerr << ", "; debug_out(move(tail)...); } #ifdef LOCAL #define debug(...) cerr << " ";\ cerr << #__VA_ARGS__ << " :[" << __LINE__ << ":" << __FUNCTION__ << "]" << '\n';\ cerr << " ";\ debug_out(__VA_ARGS__) #else #define debug(...) 42 #endif template<typename T> T gcd(T x,T y){return y!=0?gcd(y,x%y):x;} template<typename T> T lcm(T x,T y){return x/gcd(x,y)*y;} template<class T1,class T2> inline bool chmin(T1 &a,T2 b){ if (a>b){a=b; return true;} return false; } template<class T1,class T2> inline bool chmax(T1 &a,T2 b){ if (a<b){a=b; return true;} return false; } #pragma endregion struct UnionFind{ int num; vector<int> par,rank; UnionFind(int n):num(n),par(n),rank(n,1){ iota(par.begin(),par.end(),0); } int root(int x){ return (par[x]==x?x:par[x]=root(par[x])); } bool merge(int x, int y){ x=root(x); y=root(y); if (x==y) return false; if (rank[x]<rank[y]) swap(x,y); par[y]=x; rank[x]+=rank[y]; --num; return true; } bool same(int x, int y){return root(x)==root(y);} int size(int x){return rank[root(x)];} int count(){return num;} }; int main(){ cin.tie(0); ios::sync_with_stdio(false); cout << fixed << setprecision(10); int N; cin >> N; vector<pair<int,int>> pos; for (int i=0;i<N;++i){ int x,y; cin >> x >> y; pos.emplace_back(x,y); } auto d=[&](int i,int j){ return (pos[j].first-pos[i].first)*(pos[j].first-pos[i].first)+(pos[j].second-pos[i].second)*(pos[j].second-pos[i].second); }; auto ud=[&](int i){ return 100-pos[i].second; }; auto dd=[&](int i){ return pos[i].second+100; }; auto check=[&](double r){ r*=2; UnionFind UF(N+2); for (int i=0;i<N;++i){ for (int j=i+1;j<N;++j){ if (r*r>d(i,j)){ UF.merge(i,j); } } if (r>ud(i)) UF.merge(i,N); if (r>dd(i)) UF.merge(i,N+1); } return !UF.same(N,N+1); }; double lb=0,ub=100; for (int _=0;_<300;++_){ double mid=(lb+ub)/2; (check(mid)?lb:ub)=mid; } cout << lb << '\n'; }
//Bismillah Hir Rehmanir Rahim //Allah knows best #include<bits/stdc++.h> #include <ext/pb_ds/assoc_container.hpp> #include <ext/pb_ds/tree_policy.hpp> using namespace std; using namespace __gnu_pbds; #include <iostream> #include <cstdio> #include <cstdlib> #include <algorithm> #include <iomanip> #include <cmath> #include <vector> #include <set> #include <map> #include <unordered_set> #include <unordered_map> #include <queue> #include <ctime> #include <cassert> #include <complex> #include <string> #include <cstring> #include <chrono> #include <random> #define gap ' ' #include <bitset> #define mini -10000000000000000 #define ios ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); #define endl '\n' #define f(i, a, n) for( i=a; i<n;i++) #define ll long long #define pi 3.141592653589793 #define vi vector<ll> #define si set<ll> #define pb push_back #define mp make_pair #define mod 1000000007 #define rr return 0 #define ff first #define in insert #define ss second ll hash58 = 288230376151711717; ll hash32 = 1610612741; #define erase_unique(st) st.erase(unique(st.begin(), st.end()),st.end()) mt19937 rng(chrono::steady_clock::now().time_since_epoch().count()); #define all(a) a.begin(), a.end() typedef pair<ll, ll> pii; #define setbits(x) __builtin_popcountll(x) #define zrbits(x) __builtin_ctzll(x) #define unset_bit(x,inx) x = (x & ~(1ll<<(inx))) #define deb(x) cout << #x << " = " << x << endl #define set_bit(x, idx) x = x|1LL<<idx #define check_bit(x, idx) min(x&(1LL<<idx),1LL) #define toggle_bit(x, idx) x = x^(1LL<<idx) inline ll uceil(ll a,ll b) {return (a % b ? a / b + 1 : a / b);} #define multi_ordered_set tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; typedef tree<int, null_type, greater<int>, rb_tree_tag, tree_order_statistics_node_update> rordered_set; #ifdef DEBUG #define ok cerr << __LINE__ <<"is done "<<endl; #else #define ok #endif #define ld long double ll prm[2000006]; int main() { #ifndef DEBUG ios #endif int t=1; //cin>>t; int ct=0; while(t--) { ll l, r; cin >> l >> r; ll ans = 0; for(ll i = 2; i <= r; i++) { if(prm[i] == 0) { for(ll j = i ; j <= r; j += i) { prm[j]++; } for(ll j = i*i ; j <= r; j += i*i) { prm[j] = -1000000007; } } } for(ll i = 2; i <= r; i++) { if(prm[i] < 0) continue; ll cc = (r/i) - ((l - 1)/i); if(prm[i] % 2) ans += (cc * (cc - 1))/2; else ans -= (cc * (cc - 1))/2; } for(long long i=max(2ll,l);i<=r;i++){ans -= (r/i-1);} cout << 2 * ans << endl; } rr; }
#include<bits/stdc++.h> using namespace std; int main(){ long long i, n; cin>>i>>n; int d=0; int c=0; long long r=(n*100)/i; if((n*100)%i==0) r--; r+=n; cout<<r; }
/**So..a**/ #include<bits/stdc++.h> using namespace std; #define FAST ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0); #define ll long long int #define B_ begin() #define E_ end() #define all(a) a.begin(), a.end() #define NL_ "\n" #define F first #define S second #define FF first.first #define FS first.second #define SF second.first #define SS second.second #define __lcm(a, b) (a/__gcd(a, b)*b) #define PI acos(-1) #define EXP 10e-6 #define what_is(x) cerr << #x << " is " << x << endl; template<typename item> item abs(item i) { if(i < 0) i= -i; return i; } ll mod = 1000000000+7; template<class typea> typea POW(typea b, typea p) { typea res = 1; while(p) { if(p&1) { res*=b; res%=mod; } b*=b; b%=mod; p/=2; } return res; } int tc =0; #define ull unsigned long long int #define maxn 2*100000+10 ll arr[maxn]; char a[maxn], b[maxn]; ll n, m, ans; int main() { string s; cin >> s; reverse(all(s)); for(auto &x: s) if(x=='9') x = '6'; else if(x=='6') x = '9'; cout <<s; return 0; }
#include<bits/stdc++.h> using namespace std; #define int long long #define mod 1000000007 #define PI 3.1415926535 #define maxn 100005 #define all(x) x.begin(),x.end() #define speedUp ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0); void _SSGJ_() { string s; cin>>s; int n= s.length(); int cnt[26]={0}; int ans=0; for(int i=n - 1,j=0;i > 0;i--,j++) { if(i < n - 1 && i && s[i] == s[i - 1] && s[i] != s[i + 1]) { ans+=j - cnt[s[i] - 'a']; for(int it=0;it<26;it++) cnt[it]=0; cnt[s[i] - 'a']=j; } cnt[s[i] - 'a']++; } cout<<ans<<"\n"; } signed main() { speedUp #ifndef ONLINE_JUDGE freopen("input.txt", "r", stdin); freopen("output.txt", "w", stdout); #endif /* int t; cin>>t; while(t--)*/ _SSGJ_(); return 0; }
#include <algorithm> #include <bitset> #include <cassert> #include <cmath> #include <cstdio> #include <cstdlib> #include <ctime> #include <deque> #include <fstream> #include <functional> #include <iomanip> #include <iostream> #include <map> #include <queue> #include <set> #include <sstream> #include <stack> #include <string> #include <unordered_map> #include <unordered_set> #include <utility> #include <vector> using namespace std; class Tarjan { public: int n; vector<vector<int>> graph; stack<int> S; int clock; vector<int> timestamp; vector<int> low; vector<bool> on_stack; vector<vector<int>> blocks; vector<int> belongs; int n_blocks; vector<vector<int>> block_graph; void init(int n_) { n = n_; graph.resize(n); for (int i = 0; i < n; ++i) { graph[i].clear(); } } void add_edge(int u, int v) { graph[u].push_back(v); } void dfs(int u) { timestamp[u] = clock; low[u] = clock; ++clock; S.push(u); on_stack[u] = true; for (int v : graph[u]) { if (timestamp[v] == -1) { dfs(v); low[u] = min(low[u], low[v]); } else if (on_stack[v]) { low[u] = min(low[u], timestamp[v]); } } if (low[u] == timestamp[u]) { vector<int> nodes; for (;;) { int w = S.top(); S.pop(); on_stack[w] = false; nodes.push_back(w); if (w == u) { break; } } blocks.push_back(nodes); } } void calc_blocks() { clock = 0; timestamp.resize(n, -1); low.resize(n, -1); on_stack.resize(n, false); blocks.clear(); for (int i = 0; i < n; ++i) { if (timestamp[i] == -1) { dfs(i); } } } void build_block_graph() { n_blocks = blocks.size(); belongs.resize(n, -1); for (int i = 0; i < n_blocks; ++i) { for (int u : blocks[i]) { belongs[u] = i; } } vector<unordered_set<int>> uniq_edge_graph(n_blocks); for (int u = 0; u < n; ++u) { for (int v : graph[u]) { if (belongs[u] != belongs[v]) { uniq_edge_graph[belongs[u]].insert(belongs[v]); } } } block_graph.resize(n_blocks); for (int i = 0; i < n_blocks; ++i) { block_graph[i].clear(); for (int u : uniq_edge_graph[i]) { block_graph[i].push_back(u); } } } long double topological_sort() { vector<int> in_degree(n_blocks, 0); vector<int> size(n_blocks, 0); vector<bitset<100>> ancestors(n_blocks); for (int u = 0; u < n_blocks; ++u) { size[u] = blocks[u].size(); ancestors[u].reset(); for (int v : block_graph[u]) { in_degree[v]++; } } queue<int> Q; for (int i = 0; i < n_blocks; ++i) { if (in_degree[i] == 0) { Q.push(i); } } long double expected_val = 0; while (!Q.empty()) { int u = Q.front(); Q.pop(); int count = 0; for (int i = 0; i < n_blocks; ++i) { if (ancestors[u][i]) { count += size[i]; } } expected_val += 1.0 * size[u] / (size[u] + count); for (int v : block_graph[u]) { ancestors[v] |= ancestors[u]; ancestors[v].set(u); in_degree[v]--; if (in_degree[v] == 0) { Q.push(v); } } } return expected_val; } }; Tarjan tarjan; int main() { ios::sync_with_stdio(false); cin.tie(0); cout << setprecision(20); int n; cin >> n; vector<string> s(n); for (int i = 0; i < n; ++i) { cin >> s[i]; } tarjan.init(n); for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { if (s[i][j] == '1') { tarjan.add_edge(i, j); } } } tarjan.calc_blocks(); tarjan.build_block_graph(); cout << tarjan.topological_sort() << endl; return 0; }
#include <bits/stdc++.h> using namespace std; const int max_n = 111, inf = 1000111222; int n, f[max_n][max_n]; string s; int main() { //freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); cin >> n; for (int i = 0; i < n; ++i) { cin >> s; for (int j = 0; j < n; ++j) { f[i][j] = s[j] - '0'; } f[i][i] = 1; } for (int k = 0; k < n; ++k) { for (int i = 0; i < n; ++i) { for (int j = 0; j < n; ++j) { f[i][j] |= f[i][k] & f[k][j]; } } } long double ans = 0; for (int i = 0; i < n; ++i) { int cnt = 0; for (int j = 0; j < n; ++j) { cnt += f[j][i]; } ans += 1.0l / cnt; } cout << fixed << setprecision(20) << ans << endl; return 0; }
/** * created: 09/01/2021, 14:56:06 **/ #include <bits/stdc++.h> using namespace std; const int max_n = 111, inf = 1000111222; const int max_m = max_n * max_n; int n, m, a[max_n], from[max_m], to[max_m], ans[max_m]; vector<pair<int, int>> g[max_n]; int h[max_n]; void dfs(int v) { for (auto p : g[v]) { int id = p.first, tp = p.second; const int nxt = v ^ from[id] ^ to[id]; if (h[nxt] == -1) { ans[id] = 0 ^ tp; h[nxt] = h[v] + 1; dfs(nxt); } else if (h[nxt] + 1 < h[v]) { ans[id] = tp; } } } int main() { //freopen("input.txt", "r", stdin); //freopen("output.txt", "w", stdout); cin >> n >> m; for (int i = 0; i < m; ++i) { cin >> from[i] >> to[i]; --from[i]; --to[i]; } for (int i = 0; i < n; ++i) { cin >> a[i]; } for (int i = 0; i < m; ++i) { if (a[from[i]] != a[to[i]]) { ans[i] = a[from[i]] < a[to[i]]; } else { g[from[i]].push_back({i, 0}); g[to[i]].push_back({i, 1}); } } memset(h, -1, sizeof(h)); for (int i = 0; i < n; ++i) { if (h[i] == -1) { h[i] = 0; dfs(i); } } for (int i = 0; i < m; ++i) { if (ans[i] == 0) { cout << "->\n"; } else { cout << "<-\n"; } } return 0; }
#include <bits/stdc++.h> #pragma GCC optimize("Ofast") #pragma GCC loop-opt(on) #define rep(i, a, b) for(int i = a; i <= b; i++) #define rrep(i, a, b) for(int i = b; i >= a; i--) #define print(x) cout << #x <<" = " << x <<"\n" #define pprint(x) cout << #x <<" = (" << x.first <<", " << x.second <<")\n" #define all(x) x.begin(), x.end() #define ceil(a, b) ((a + b - 1) / (b)) #define INF 1000000000000000000 #define MAXN 200 #define MOD 1000000007 #define eps (1e-9) #define int long long int #define lld long double #define pii pair<int, int> #define random mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count()) using namespace std; int n, m, c[MAXN * MAXN], d[MAXN * MAXN]; int ans[MAXN*MAXN], v[MAXN*MAXN]; pii p[MAXN*MAXN]; int mp[MAXN][MAXN], timestamp, a, b; void dfs(int x) { d[x] = ++timestamp; rep(i, 1, n) { if(c[i] == c[x] && !d[i] && mp[i][x]) { mp[x][i] = -1, mp[i][x] = -2; dfs(i); } } return; } void solve() { timestamp = 0; rep(i, 1, n) { if(!d[i]) d[i] = 1, dfs(i); } rep(i, 1, m) { tie(a, b) = p[i]; if(c[a] > c[b]) ans[i] = -1; else if(c[b] > c[a]) ans[i] = -2; else if(mp[a][b] < 0) ans[i] = mp[a][b]; else ans[i] = (d[a] > d[b] ? -1 : -2); mp[a][b] = ans[i]; mp[b][a] = -3 - ans[i]; } return ; } int dfs1(int x) { int cnt = 1; v[x] = 1; rep(i, 1, n) { if(!v[i] && mp[x][i] == -1) cnt += dfs1(i); } return cnt; } bool check() { rep(i, 1, n) { memset(v, 0, sizeof(v)); if(dfs1(i) != c[i]) return false; } return true; } signed main() { ios::sync_with_stdio(false), cin.tie(0); cin >> n >> m; rep(i, 1, m) { cin >> a >> b; p[i] = {a, b}; mp[a][b] = mp[b][a] = 1; } rep(i, 1, n) cin >> c[i]; solve(); assert(check()); rep(i, 1, m) { if(ans[i] == -1) cout <<"->\n"; else cout <<"<-\n"; } return 0; }
#include<bits/stdc++.h> using namespace std; #ifndef ONLINE_JUDGE #define dbg(x...) do { cout << "\033[32;1m " << #x << " -> "; err(x); } while (0) void err() { cout << "\033[39;0m" << endl; } template<template<typename...> class T, typename t, typename... A> void err(T<t> a, A... x) { for (auto v: a) cout << v << ' '; err(x...); } template<typename T, typename... A> void err(T a, A... x) { cout << a << ' '; err(x...); } #else #define dbg(...) #endif typedef long long ll; typedef pair<int,int> pi; typedef vector<int> vi; template<class T> using vc=vector<T>; template<class T> using vvc=vc<vc<T>>; template<class T> void mkuni(vector<T>&v) { sort(v.begin(),v.end()); v.erase(unique(v.begin(),v.end()),v.end()); } ll rand_int(ll l, ll r) //[l, r] { static mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count()); return uniform_int_distribution<ll>(l, r)(gen); } template<class T> void print(T x,int suc=1) { cout<<x; if(suc==1) cout<<'\n'; else cout<<' '; } template<class T> void print(const vector<T>&v,int suc=1) { for(int i=0;i<v.size();i++) print(v[i],i==(int)(v.size())-1?suc:2); } int main() { ios::sync_with_stdio(false); cin.tie(nullptr); ll n; cin>>n; ll t=1000; int cc=1; ll ans=0; while(t*1000<=n) { ans+=cc*(t*1000-t); t*=1000; cc++; } if(n>=t) ans+=(n-t+1)*cc; print(ans); }
#include <iostream> #include <vector> #include <algorithm> #include <string> #include <cmath> using namespace std; int main() { int n; cin >> n; vector<int> a(pow(2, n) / 2); vector<int> b(pow(2, n) / 2); for (int i = 0; i < pow(2, n) / 2; i++) { cin >> a[i]; } for (int i = 0; i < pow(2, n) / 2; i++) { cin >> b[i]; } int maxElementA = *std::max_element(a.begin(), a.end()); int maxElementB = *std::max_element(b.begin(), b.end()); if(maxElementA > maxElementB) { cout << max_element(b.begin(),b.end()) - b.begin() + a.size() + 1 << endl; } else { cout << max_element(a.begin(),a.end()) - a.begin() + 1 << endl; } }
#include <iostream> #include <string> #include <algorithm> #include <vector> #include <iomanip> #include <cmath> #include <stdio.h> #include <queue> #include <deque> #include <cstdio> #include <set> #include <map> #include <bitset> #include <stack> #include <cctype> using namespace std; int main() { int n; long a[22]; cin >> n; for (int i = 0; i < n; i++) { cin >> a[i]; } long ans = 100000000007; for (int i = 0; i < (1 << (n - 1)); i++) { vector<long> vec; long o = 0; for (int j = 0; j < n; j++) { o |= a[j]; if (i & (1 << j)) { vec.emplace_back(o); o = 0; } } vec.emplace_back(o); long co = 0; for (int j = 0; j < vec.size(); j++) { co ^= vec[j]; } if (ans > co) { ans = co; } } cout << ans << endl; }
#include <bits/stdc++.h> using namespace std; int n,a[210],dp[210][210],pi[210][210]; void output(int n,int m,int len) { if(n==0) { cout<<len<<" "; return; } output(pi[n][m],((m-a[n])%200+200)%200,len+1); cout<<n<<" "; } bool check(int i) { for(int j=1;j<n;j++) for(int k=j+1;k<=n;k++) if(dp[j][i]&&dp[k][i]) { cout<<"Yes"<<endl; output(j,i,0); cout<<endl; output(k,i,0); return 1; } return 0; } bool flag; int main() { cin>>n; for(int i=1;i<=n;i++) { cin>>a[i]; a[i]%=200; } dp[0][0]=1; for(int i=1;i<=n;i++) for(int j=0;j<200;j++) for(int k=0;k<i;k++) if(dp[k][((j-a[i])%200+200)%200]) { dp[i][j]=1; pi[i][j]=k; break; } for(int i=0;i<200;i++) if(check(i)) { flag=1; break; } if(!flag) { for(int i=1;i<n;i++) if(dp[i][0]) { cout<<"Yes"<<endl; output(i,0,1); cout<<i+1<<endl; cout<<1<<" "<<i+1; flag=1; } } if(!flag)cout<<"No"; return 0; }
#include <bits/stdc++.h> #define fi first #define se second #define sz(a) (int)(a).size() #define all(a) (a).begin(), (a).end() #define reset(a,v) memset((a), v, sizeof(a)) using namespace std; typedef long long ll; typedef pair<int,int> ii; typedef vector<int> vi; typedef vector<ll> vll; typedef vector<ii> vii; const int N = 3002; const int MOD = 998244353; int n, k; int dp[N][N]; void fillDP() { dp[0][0] = 1; for (int i = 1; i <= n; i++) { for (int j = i; j > 0; j--) { dp[i][j] = (dp[i-1][j-1] + dp[i][min(N-1, 2*j)]) % MOD; } } } int main() { scanf("%d %d", &n, &k); fillDP(); printf("%d\n", dp[n][k]); return 0; }
#include "bits/stdc++.h" #define MOD 998244353 #define rep(i, n) for(ll i=0; i < (n); i++) #define rrep(i, n) for(ll i=(n)-1; i >=0; i--) #define ALL(v) v.begin(),v.end() #define rALL(v) v.rbegin(),v.rend() #define FOR(i, j, k) for(ll i=j;i<k;i++) #define debug_print(var) cerr << #var << "=" << var <<endl; #define DUMP(i, v)for(ll i=0;i<v.size();i++)cerr<<v[i]<<" " #define fi first #define se second using namespace std; typedef long long int ll; typedef vector<ll> llvec; typedef vector<double> dvec; typedef pair<ll, ll> P; typedef long double ld; struct edge{ll x, c;}; ll mod(ll a, ll mod){ ll res = a%mod; if(res<0)res=res + mod; return res; } ll modpow(ll a, ll n, ll mod){ ll res=1; while(n>0){ if(n&1) res=res*a%mod; a=a*a%mod; n>>=1; } return res; } ll modinv(ll a, ll mod){ ll b=mod, u=1, v=0; while(b){ ll t=a/b; a-=t*b; swap(a, b); u-=t*v; swap(u, v); } u%=mod; if(u<0)u+=mod; return u; } ll gcd(ll a, ll b){ ll r = a%b; if(r==0) return b; else return gcd(b, a%b); } bool is_prime(ll n){ ll i = 2; if(n==1)return false; if(n==2)return true; bool res = true; while(i*i <n){ if(n%i==0){ res = false; } i = i+1; } //if(i==1)res = false; if(n%i==0)res=false; return res; } ll N, K; vector<llvec> m; ll f(ll n, ll k){ //cerr << n << " " << k << " "; if(k<=0)return 0; if(n<=0 or k<=0 or n<k){ m[n][k] = 0; return 0; } if(n==k)m[n][k]=1; if(m[n][k]>=0)return m[n][k]; ll tmp=0; tmp = mod(f(n-1, k-1) + f(n, 2*k), MOD); //cerr << tmp << endl; m[n][k]=tmp; return tmp; } /************************************** ** A main function starts from here ** ***************************************/ int main(){ cin >> N >> K; m = vector<llvec>(N+1, llvec(2*(N+1), -1)); cout << f(N, K); return 0; }